APW7089QDE-TRG [ANPEC]
6-Channel DC/DC Converter Control IC; 6通道DC / DC转换器控制IC
| 型号： | APW7089QDE-TRG |
| 厂家： | 
ANPEC ELECTRONICS COROPRATION |
| 描述： | 6-Channel DC/DC Converter Control IC |
| 文件： | 总23页 (文件大小：436K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
APW7095/A
6-Channel DC/DC Converter Control IC
Features
General Description
The APW7095/A is a 6-channel, frequency-settable, volt-
age-mode, DC/DC control IC providing a complete power
supply solution for high-performance portable digital
cameras. The APW7095/A uses pulse-width-modulation
(PWM) and synchronous rectification for high efficiency
step-up, step-down, up-down, and inverting converters
with free input and output settings in 2 or 4-cell AA, 1-cell
lithium-ion (Li+), and dual-battery designs. The APW7095/
A incorporates error amplifiers, output short-circuit
detection, under-voltage lockout, soft-start, and output
switch control into a chip. The AP7095/A improves
performance, component count, and size compared to
conventional multi-channel controllers.
·
·
·
Supports for Synchronous Rectification
(CH1, CH2, and CH5)
Supports for Down or Up-Down Zeta Conversions
(CH1 and APW7095 CH2)
Supports for Up, Flyback, or Up-Down SEPIC
Conversions (APW7095A CH2, CH3, APW7095
CH4, CH5, and CH6)
·
Supports for Inverting Conversion
(APW7095A CH4)
·
·
Low Start-up Voltage : 1.4V (CH6)
The APW7095/A has a power-good indicator (PGOOD)
that signals when CH1 output is within ±10% of the set
voltage by monitoring IN1 pin.
Power Supply Voltage Range
- CH1 to CH5 : 3.0V to 6.5V
- CH6 : 2.4V to 6.5V
The APW7095/A is available in compact 48-pin plastic
LQFP and TQFN packages.
·
·
·
·
·
·
·
1% Reference Voltage Accuracy
Wide Operating Frequency 100kHz to 1MHz
Soft-Start Function (CH1 to 6)
Power Good (PGOOD) Indicator for CH1
Low Shutdown Current
Applications
·
·
·
Digital Camera
Camcorder
Output Short-Circuit Detections
Hand-Held Instrument
Lead Free and Green Devices Available
(RoHS Compliant)
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise
customers to obtain the latest version of relevant information to verify before placing orders.
Copyright ã ANPEC Electronics Corp.
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Rev. A.4 - Dec., 2008
APW7095/A
Ordering and Marking Information
Package Code
QD : LQFP7x7-48
Operating Ambient Temperature Range
E : -30 to 85 C
Handling Code
APW7095/A
QB : TQFN7x7-48
Assembly Material
Handling Code
°
TB : Tape & Box TR : Tape & Reel
Assembly Material
Temperature Range
Package Code
L : Lead Free Device G : Halogen and Lead Free Device
XXXXX - Date Code
APW7095
XXXXX
APW7095 QD/QB :
APW7095A QD/QB :
XXXXX - Date Code
APW7095A
XXXXX
Note: ANPEC lead-free products contain molding compounds/die attach materials and 100% matte tin plate termination finish; which
are fully compliant with RoHS. ANPEC lead-free products meet or exceed the lead-free requirements of IPC/JEDEC J-STD-020C for
MSL classification at lead-free peak reflow temperature. ANPEC defines “Green” to mean lead-free (RoHS compliant) and halogen
free (Br or Cl does not exceed 900ppm by weight in homogeneous material and total of Br and Cl does not exceed 1500ppm by
weight).
Pin Configuration
APW7095A
IC
APW7095
1
2
SWOUT
SWIN
FB6
DTC1
FB1
36
35
34
33
32
31
Synchronous Synchronous
Step-down Step-down
CH1
CH2
CH3
CH4
CH5
CH6
IN1
3
DTC2
FB2
IN6
4
Synchronous Synchronous
5
CIN6
DTC5
Up-down
Step-up
IN2
6
APW7095/A
Step-up
Step-up
DTC3
7
FB5
IN5
30
29
28
FB3
IN3
8
Inverting
Step-up
9
INA4
VB
CT
RT
Synchronous Synchronous
10
11
12
27
26
25
OUTA4
FB4
Step-up
Step-up
IN4
Step-up
Step-up
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Rev. A.4 - Dec., 2008
APW7095/A
Absolute Maximum Ratings
Symbol
VCC
Parameter
Rating
-0.3 ~ 7
-0.3 ~ 7
-0.3 ~ VCC+0.3
-0.3 ~ 7
-0.3 ~ 7
150
Unit
V
VCC Supply Voltage (VCC to GND)
PVCC Supply Voltage (PVCC to GND)
IN1~6, INA4, INS4, DTC1~5 Input Voltages
CTL, CTL1~5, SWIN Input Voltages
PGOOD Pull High Voltage
VPVCC
V
V
V
V
oC
oC
oC
Maximum Junction Temperature
Storage Temperature
TSTG
TSDR
-65 ~ 150
260
Maximum Lead Soldering Temperature, 10 Seconds
Thermal Characteristics
Symbol
Parameter
Typical Value
Unit
Junction-to-Ambient Resistance in Free Air
48-pin Plastic LQFP
TQFN
80
oC/W
qJA
Recommended Operating Conditions
APW7095/A
Symbol
VCC
Parameter
Conditions
Unit
Min. Typ.
Max.
Start-up Power Supply Voltage
CH6
-
6.5
6.5
6.5
0
V
1.4
2.4
3.0
-1
CH6
5.0
VCC
Operating Voltage
V
CH1 to CH5
VREF Pin
VB Pin
5.0
Reference Voltage Output Current
VB Output Current
-
mA
mA
IREF
IB
-
0
-0.5
IN1 to IN5, INA4, INS4 Pins
IN6 Pin
0
0
-
-
VCC
VCC
6.5
15
VIN
Input Voltage
V
V
VCTL
Control Voltage
CTL Pin
0
-
OUT Pin (CH1 to CH5)
OUT Pin (CH6)
SWOUT Pin
-
2
Output Current
mA
-
2
15
IO
-
1
4
FOSC
CT
Oscillator Frequency
Timing Capacitor
Timing Resistor
100
47
8.2
-
500
100
18
0.027
0.47
1000
560
kHz
pF
RT
kW
100
1.0
1.0
CS
CH1 to CH5
CH6
Soft-Start Capacitor
mF
CCIN6
-
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Rev. A.4 - Dec., 2008
APW7095/A
Recommended Operating Conditions (Cont.)
APW7095/A
Min. Typ. Max.
0.1
0.082 0.1
Symbol
Parameter
Conditions
Unit
CSCP
CVB
TA
Short Detection Capacitor
VB Pin Capacitor
-
1.0
-
mF
mF
oC
Operating Ambient Temperature
-30
25
85
Electrical Characteristics
Refer to the typical application circuit. These specifications apply over, VCC = 5V and TA = -30 to 85°C, unless
otherwise specified. Typical values refer to TA = 25°C.
APW7095/A
Symbol
Parameter
VCC Standby Current
Test Conditions
Unit
Typ.
Max.
10
Min.
-
-
ICCS
IPVCC
ICC
CTL = 0V
CTL = 0V
-
-
-
mA
10
PVCC Standby Current
1.8
5
VCC Nominal Supply Current
CTL, CTL1 to CTL5 = 5V
mA
UNDER VOLTAGE LOCKOUT
VTH
VH
Threshold Voltage
Rising VCC
2.5
-
2.7
0.2
1.3
1.4
2.9
-
CH1 to
CH5
Hysteresis Width
V
Falling VCC
Rising VCC
VRST
VTH
Reset Voltage
1.2
1.25
1.4
1.55
CH6
Threshold Voltage
REFERENCE VOLTAGE
VREF
Reference Voltage
IREF = 0mA
V
%
2.46
-
2.49
0.5
2.51
-
Output Voltage Temperature
Stability
DVREF
VREF
/
TA = -30°C to 85°C
Line
Load
IOS
Input Stability
VCC = 3.0V to 6.5V
IREF = 0mA to –1mA
VREF = 2V
mV
-10
-10
-25
-
-
10
10
-1
Load Stability
mV
mA
Short-Circuit Output Current
-18
SOFT-START
Input Standby Voltage
Soft-Start Charge Current
SHORT-CIRCUIT DETECTION
mV
VSTB
ICS
-
50
100
-0.6
mA
-1.4
-1.0
Threshold Voltage
V
VTH
VSTB
VI
0.65
0.70
50
0.75
100
100
-0.6
Input Standby Voltage
Input Latch Voltage
Input Source Current
mV
mV
mA
-
-
50
ICSCP
-1.4
-1.0
TRIANGULAR WAVE OSCILLATOR
Oscillator Frequency
fOSC
kHz
%
CT=100pF, RT=18kW,VB=2V
VCC = 3V to 6.5V
450
500
1
550
10
-
Frequency Stability for Voltage
Df/fdv
Df/fdt
-
-
Frequency Stability for Temperature
TA = -30°C to 85°C
%
1
ERROR AMPLIFIER (CH1 to CH5)
VTH
Threshold Voltage
FB = 1.45V
V
1.23
-
1.25
0.5
1.27
-
DVT/
VT Temperature Stability
TA = -30°C to 85°C
%
VT
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Rev. A.4 - Dec., 2008
APW7095/A
Electrical Characteristics (Cont.)
Refer to the typical application circuit. These specifications apply over, VCC=5V and TA= -30 to 85°C, unless other-
wise specified. Typical values refer to TA =25°C.
APW7095/A
Symbol
Parameter
Test Conditions
Unit
Typ.
Max.
Min.
ERROR AMPLIFIER (CH1 to CH5) (Cont.)
IN = 0V (CH1 to CH5)
nA
dB
IB
AV
Input Bias Current
-50
60
-
-
-
-
Voltage Gain
DC
100
1.0
4.99
3
Frequency Bandwidth
Maximum Output Voltage
Minimum Output Voltage
Output Source Current
Output Sink Current
AV = 0dB
MHz
V
BW
VOH
VOL
-
4.9
-
-
mV
mA
mA
50
-10
-
FB = 1.45V
FB = 1.45V
ISOURCE
ISINK
-
-25
16
5
ERROR AMPLIFIER (CH6)
VTH
Threshold Voltage
FB = 0.55V
V
1.24
-
1.26
0.5
1.28
-
DVTH
/
VTH Temperature Stability
TA = -30°C to 85°C
%
VTH
Input Bias Current
IN6 = 0V
DC
nA
dB
IB
-50
60
-
-
-
-
Voltage Gain
AV
75
Frequency Bandwidth
Maximum Output Voltage
Minimum Output Voltage
Output Source Current
Output Sink Current
AV = 0dB
MHz
V
BW
VOH
VOL
1.0
4.99
3
-
4.9
-
-
mV
mA
mA
50
-10
-
FB = 0.55V
FB = 0.55V
ISOURCE
ISINK
-
-50
120
60
INVERTED AMPLIFIER (CH4)
Input Offset Voltage
Input Bias Current
OUT = 1.25V
IN = 0V
DC
mV
nA
VIO
IB
-10
-50
60
-
0
-
10
-
Voltage Gain
dB
AV
100
1.0
4.99
3
-
-
Frequency Bandwidth
Maximum Output Voltage
Minimum Output Voltage
Output Source Current
Output Sink Current
AV = 0dB
MHz
V
BW
VOH
VOL
4.9
-
-
mV
mA
mA
50
-1.0
-
OUT = 1.25V
OUT = 1.25V
ISOURCE
ISINK
-
-26
16
5
SHORT DETECT COMPARATOR (CH1 to CH5)
Threshold Voltage
CH1 to CH5
VTH
IB
0.97
-50
1.00
1.03
V
IN = 0V (CH1 to CH3, CH5)
-
-
-
-
Input Bias Current
nA
-50
INS4 = 0V (CH4)
SHORT DETECT COMPARATOR (CH6)
Threshold Voltage
VTH
0.8
0.9
1.0
V
PWM COMPARATOR (CH1 to CH5)
Duty = 0%
VT0
1.0
-
1.1
1.8
-
-
1.9
-
Threshold Voltage
V
Duty = 100%
VT100
Input Current
DTC = 0.4V (CH1 to CH5)
IDTC
-50
nA
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Rev. A.4 - Dec., 2008
APW7095/A
Electrical Characteristics (Cont.)
Refer to the typical application circuit. These specifications apply over, VCC=5V and TA= -30 to 85°C, unless other-
wise specified. Typical values refer to TA =25°C.
APW7095/A
Symbol
Parameter
Test Conditions
Unit
Typ.
Max.
Min.
PWM COMPARATOR (CH6)
Duty = 0%
VT0
0.2
-
0.3
0.74
80
-
Threshold Voltage
V
Duty = Max.
VTmax
0.84
90
Maximum Duty Cycle
Dtr
CT = 100pF, RT = 18kW
70
%
PWM CONTROLLER DRIVER FOR P-MOS (CH1, CH2, CH5)
Output Source Current
Output Sink Current
Duty £ 5%, OUT = 0V
Duty £ 5%, OUT = 5V
OUT = -15mA
ISOURCE
ISINK
-
-130
160
18
-80
-
mA
100
ROH
-
-
30
20
Output ON Resistance
W
OUT = 15mA
ROL
10
PWM CONTROLLER DRIVER FOR N-MOS (CH1, CH2, CH5, CH6)
ISOURCE
ISINK
Output Source Current
Output Sink Current
Duty £ 5%, OUT = 0V
Duty £ 5%, OUT = 5V
OUT = -15mA
-
-130
160
18
-80
-
mA
100
ROH
-
-
30
20
Output ON Resistance
W
ROL
OUT = 15mA
10
PWM CONTROLLER DRIVER FOR P-MOS (CH3, CH4)
ISOURCE
ISINK
Output Source Current
Output Sink Current
Duty £ 5%, OUT = 0V
Duty £ 5%, OUT = 5V
OUT = -15mA
-
-290
470
7
-180
-
mA
300
ROH
-
-
15
10
Output ON Resistance
W
ROL
OUT = 15mA
4
OUTPUT SWITCH CONTROL (SW)
SWOUT = ”L” level
SWOUT = ”H” level
SWIN = 5V
VIH
1.2
-
-
6.5
0.5
20
-
SW Input Voltage
V
VIL
0
-
mA
mA
mA
ISWIN
ISOURCE
ISINK
Input Current
2.5
-7
Output Source Current
Output Sink Current
SWOUT = 0V
SWOUT = 5V
OUT = -4mA
-
-
19
325
85
-
ROH
-
400
150
Output ON Resistance
W
ROL
OUT = 4mA
-
POWER GOOD
Rising IN1
Rising IN1
VTH
VTH
-
-
-
-
110
94
-
-
%
%
%
V
IN1 Upper Threshold Voltage
IN1 Lower Threshold Voltage
2
-
Upper/Lower Hysteresis
PGOOD Output Voltage
IPGOOD = 4mA
VPGOOD
0.17
0.8
CONTROL BLOCK (CTL, CT1 to CT5)
VIH
Active Mode
Standby Mode
CTL = 5V
1.5
0
-
-
6.5
0.5
20
CTL Input Voltage
VIL
V
Input Current
ICTL
mA
-
2.6
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Rev. A.4 - Dec., 2008
APW7095/A
Pin Description
PIN
I/O
FUNCTION
Output Switch Control Circuit Output Pin.
NO.
1
NAME
SWOUT
SWIN
FB6
O
I
2
Output Switch Control Circuit Input Pin.
CH6 Error Amplifier Output Pin.
3
O
I
4
IN6
CH6 Inverted Input Pin of Error Amplifier.
CH6 Soft-Start Capacitor Connection Pin.
Leave this pin “Open” to disable the soft-start function.
5
6
CIN6
I
I
CH5 Dead Time Control Pin.
Connect this pin to VREF directly when the dead-time control is not used.
DTC5
7
8
9
FB5
IN5
O
I
CH5 Error Amplifier Output Pin.
CH5 Inverted Input Pin of Error Amplifier.
CH4 Inverting Amplifier Input Pin.
INA4
I
CH4 Inverting Amplifier Output Pin.
Connect this pin to INA4 when the inverting amplifier is not used.
10
OUTA4
O
11
12
13
FB4
IN4
O
I
CH4 Error Amplifier Output Pin.
CH4 Inverted Input Pin of Error Amplifier.
CH4 Inverted Input Pin of Short Detection Comparator.
INS4
I
CH4 Dead Time Control Pin.
Connect this pin to VREF directly when the dead-time control is not used.
14
15
DTC4
CS
I
CH1 to CH5 Soft-Start Capacitor Connection Pin.
Leave this pin “Open” to disable the soft-start function.
-
16
17
VREF
GND
O
P
Reference Voltage Output Pin.
Reference Voltage and Control Circuit Ground Pin.
Short-Circuit Detection Capacitor Connection Pin.
Connect this pin to GND with the shortest distance to disable the timer-latch short-circuit
protection circuit.
18
19
20
CSCP
VCC
CTL
-
P
I
Reference Voltage and Control Circuit Power Supply Pin.
Power Supply and CH6 Control Pin.
“H” Level: Operation Mode.
“L” Level: Standby Mode
CH1 and CH2 Control Pin.
“H” Level: Operation Mode.
“L” Level: OFF Mode
21
22
23
24
CTL1,2
CTL3
CTL4
CTL5
I
I
I
I
CH3 Control Pin.
“H” Level: Operation Mode.
“L” Level: OFF Mode
CH4 Control Pin.
“H” Level: Operation Mode.
“L” Level: OFF Mode
CH5 Control Pin.
“H” Level: Operation Mode.
“L” Level: OFF Mode
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Rev. A.4 - Dec., 2008
APW7095/A
Pin Description (Cont.)
PIN
I/O
FUNCTION
NO.
25
26
27
28
29
NAME
RT
-
-
Oscillator Frequency Setting Resistor Connection Pin.
Oscillator Frequency Setting Capacitor Connection Pin.
Triangular Wave Oscillator Regulator Output Pin.
CH3 Inverted Input Pin of Error Amplifier.
CT
VB
O
I
IN3
FB3
O
CH3 Error Amplifier Output Pin.
CH3 Dead Time Control Pin.
Connect this pin to VREF directly when the dead-time control is not used.
30
DTC3
I
31
32
IN2
I
CH2 Inverted Input Pin of Error Amplifier.
CH2 Error Amplifier Output Pin.
FB2
O
CH2 Dead Time Control Pin.
Connect this pin to VREF directly when the dead-time control is not used.
33
DTC2
I
34
35
IN1
I
CH1 Inverted Input Pin of Error Amplifier.
CH1 Error Amplifier Output Pin.
FB1
O
CH1 Dead Time Control Pin.
Connect this pin to VREF directly when the dead-time control is not used.
36
DTC1
I
37
38
OUT1-1
OUT1-2
O
O
CH1 Main-side MOSFET Drive Pin. Connect OUT1-1 to the main MOSFET.
CH1 MOSFET Drive Pin for Synchronous Rectifier.
CH2 Main-side MOSFET Drive Pin.
39
OUT2-1
O
APW7095: Drive a p-channel MOSFET for a step-down converter.
APW7095A: Drive an n-channel MOSFET for a step-up converter.
40
41
42
OUT2-2
OUT3
O
O
P
CH2 MOSFET Drive Pin for Synchronous Rectifier
CH3 MOSFET Drive Pin.
PVCC
Drive Circuit Power Supply Pin.
CH4 MOSFET Drive Pin.
43
OUT4
O
APW7095: Drive an n-channel MOSFET for a step-up converter.
APW7095A: Drive a p-channel MOSFET for a inverting step-up/down converter.
44
45
46
PGND
OUT5-1
OUT5-2
P
O
O
Drive Circuit Ground Pin.
CH5 Main-side MOSFET Drive Pin. Connect OUT5-1 to the main MOSFET.
CH5 MOSFET Drive Pin for Synchronous Rectifier.
47
48
OUT6
O
O
CH6 MOSFET Drive Pin.
Indicator Output Pin. This pin is an open-drain output used to indicate status of the CH1
output voltage.
PGOOD
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Rev. A.4 - Dec., 2008
APW7095/A
Block Diagram
PVCC
Driver 1-1
Driver 1-2
FB1
FB1
OUT1-1
CH1
P W M
Controller
DTC1
Error
Amp.
CT2
IN1
CTL1,2
OUT1-2
PGOOD
1.25V
1.0V
SC P
Comp.
1.25V
x1.1
IN 1
Comp.
DTC1
1.25V
x0.9
Driver 2-1
FB2
IN2
e
FB2
DTC2
CT1
OUT2-1
OUT2-2
CH2
P W M
Controller
Error
Amp.
Driver 2-2
CTL1,2
1.25V
1.0V
SC P
Comp.
DTC2
FB3
Driver
3
FB3
CH3
P W M
Controller
DTC3
Error
Amp.
OUT3
IN3
CT2
CTL3
1.25V
SC P
Comp.
1.0V
DTC3
INA4
IN V
Amp.
OUTA 4
FB4
Driver
4
FB4
CH4
P W M
Controller
DTC4
CT1
Error
Amp.
OUT4
IN4
CTL4
1.25V
1.0V
SC P
Comp.
INS4
DTC4
FB5
Driver 5-1
FB5
OUT5-1
OUT5-2
DTC5
Error
Amp.
CH5
P W M
Controller
IN5
CT2
Driver 5-2
CTL5
1.25V
1.0V
SC P
Comp.
DTC5
FB6
IN6
VB:2V
Driver 6
Error
Amp.
CH6
P W M
Controller
(Max. Duty=80%)
37.5k
OUT6
FB6
C T
62.5k
CIN6
SC P
Comp.
Power
Comp.
0.9V
0.9V
S W OUT
PGND
CTL1,2
CTL3
0.8V
S W IN
VCC
CS CTL
Logic
C T
0.3V
1.8V
CTL4
CTL5
U VLO
CT2
1.1V
1.8V
CT1
Power
O N /OFF
CTL
1.1V
CTL
Ref
OSC
SC P
2.49V
2V
CS
RT CT
CSCP
VREF
GND
VB
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Rev. A.4 - Dec., 2008
APW7095/A
Typical Operating Characteristics
Power Supply Current vs.
Power Supply Voltage
Reference Voltage Current vs.
Power Supply Voltage
5
4
3
2
1
0
5
IREF=0mA
VCC=5V
TA=25°C
TA=25°C
4
CTL=CTL1,2=CTL3=CTL4=CTL5=5V
CTL=CTL1,2=CTL3=CTL4=CTL5=5V
3
2
1
0
0
1
2
3
4
5
6
7
8
0
1
2
3
4
5
6
7
8
Power Supply Voltage, VCC(V)
Power Supply Voltage, VCC(V)
Reference Voltage vs. Ambient Temperature
Reference Voltage vs. Control Voltage
2.56
5
4
3
2
1
0
VCC=5V
VCC=5V
TA=25°C
TA=25°C
2.54
CTL=CTL1,2=CTL3=CTL4=CTL5=5V
IREF=0mA
IREF=0mA
2.52
2.50
2.48
2.46
2.44
-40 -20
0
20 40 60 80 100
0
1
2
3
4
5
Ambient Temperature, TA(°C)
Control Voltage, VCTL(V)
Copyright ã ANPEC Electronics Corp.
10
www.anpec.com.tw
Rev. A.4 - Dec., 2008
APW7095/A
Typical Operating Characteristics (Cont.)
Control Current vs. Control Voltage
Triangular Wave Upper & Lower Threshold
Voltages vs. Oscillator Frequency
5
4
3
2
1
0
1.0
VCC=5V
0.9
TA=25°C
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
Upper
VCC=5V
VTL, CTL1,2~CTL5
TA=25°C
RT=18kW
Lower
0
1
2
3
4
5
6
7
8
0
200 400 600 800 1000 1200
Oscillator Frequency, fosc(kHz)
Control Voltage, VCTL(V)
Oscillator Frequency vs. Timing Capacitor
Oscillator Frequency vs. Timing Resistor
10000
1000
100
10000
1000
100
VCC=5V
VCC=5V
TA=25°C
TA=25°C
RT=4.3kW
CT=47pF
CT=100pF
CT=1000pF
CT=470pF
CT=220pF
RT=18kW
RT=100kW
10
10
10
100
1000
10000
1
10
100
1000
Timing Resistor, RT(kW)
Timing Capacitor, CT(pF)
Copyright ã ANPEC Electronics Corp.
11
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Rev. A.4 - Dec., 2008
APW7095/A
Typical Operating Characteristics (Cont.)
Triangular Wave Upper & Lower Threshold
Oscillator Frequency vs. Ambient Temperature
Voltages vs. Ambient Temperature
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
560
VCC=5V
CTL=CTL1,2=CTL3=CTL4=CTL5=5V
RT=18kW
CT=100pF
540
520
500
480
460
440
Upper
V
=5V
RCTC=18kW
CT=100pF
Lower
-40
-20
0
20
40
60
80
100
-40 -20
0
20 40
60
80 100
Ambient Temperature, TA (°C)
Ambient Temperature, TA (°C)
Copyright ã ANPEC Electronics Corp.
12
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Rev. A.4 - Dec., 2008
APW7095/A
Typical Application Circuit
vvv
1.VBAT=2.7V~6V (4-Cell Battery or 1-Cell LI-ION) for 2 Buck and 4 Boost Converter (Using APW7095)
VBAT
VBAT
C28
APW7095
22mF
L6
APM2301A
22mH
C1
7.5V/20mA
D7
22mF
L1
Q1
1.8V/300mA
OUT1-1
APM2300A
SS12
C27
22mH
22mF
R31
75k
C2
100mF
Q11
CH4
Boost
Controller
D1
SS0520
CH1 Buck
Controller
OUT4
INA4
Driver
Driver
OUT1-2
Q2
R3
R1
6.8K
APM2300A
C3
0.1mF
R28
15k
FB1
IN1
R2
1K
C26
0.1mF
VREF
R4
15K
R29
1K
OUTA4
DTC1
1.25V
Vref
FB4
IN4
24K
R5
PGOOD
INS4
47K
VBAT
R27
0
1.25V
Vref
VREF
DTC4
APM2301A
VBAT
C4
24K
OUT2-1
R26
R25
22mF
Q3
L2
47K
L5
22mH
C25
22mF
5V/300mA
22mH
10mF
D6
SS12
APM2301A
C5
3.3V/300mA
L3
Q8
OUT5-1
OUT5-2
22mH
APM2300A
Q4
Q10
APM2300A
C6
CH5
Boost
Controller
D2
SS12
CH2 Buck
Controller
100mF
C24
22mF
Q9
Driver
C23
22mF
Driver
R24
300K
OUT2-2
R6
24K
APM2301A
R22
C22
C7
R8
FB5
IN5
FB2
IN2
R7
1K
1K
0.1mF
0.1mF
R23
100K
15K
VREF
R9
DTC2
1.25V
Vref
VREF
DTC5
1.25V
Vref
18K
R10
47K
R21
R20
24K
47K
VBAT
5V
SS12
D3
-10V/20mA
T1
L4
C21
C8
22mF
C9
22mF
22mF
22mH
5V
D5
D4
15V/20mA
APM2301A
APM2300A
Q5
Q6
C19
22mF
SS12
SS12
C10
CH6
Boost
Controller
CH3
Boost
Controller
C11
Q7
OUT6
FB6
22mF
R18
309K
OUT3
Driver
Driver
APM2312
4700PF
R11
165K
C20
22mF
C18
0.1mF
C12
R13
1K
R17
1K
FB3
IN3
R12
15K
R19
100K
0.1mF
IN6
CIN6
VREF
R14
C17
0.33mF
DTC3
1.26V
Vref
1.25V
Vref
18K
CTL
SWOUT
R15
47K
CTL1,2
CTL3
CTL4
CTL5
VCC
PVCC
SWIN
C16
0.1mF
C15
VREF
R16
30K
C13
0.22mF
C14
100PF
0.1mF
Copyright ã ANPEC Electronics Corp.
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Rev. A.4 - Dec., 2008
APW7095/A
Typical Application Circuit(Cont.)
2.VBAT=1.4V~3V (2-Cell Battery) for 1 Buck , 1 Inverting and 4 Boost Converter s (Using APW7095A)
VBAT
3.3V ( from CH5 )
C28
Q11
APW7095A
22mF
APM2301A
D7
APM2301A
Q1
C1
-7.5V/20mA
22mF
L1
1.8V/300mA
OUT1-1
SS12
22mH
C27
22mF
APM2300A
L5
22mH
R31
60k
C2
100mF
CH4
D1
CH1 Buck
Inverting
Controller
Controller
OUT4
Driver
Driver
OUT1-2
C3
0.1mF
SS0520
Q2
R3
R1
6.8K
R30
10k
FB1
IN1
INA4
R2
1K
C26
0.1mF
R29
1K
VREF
R4
15K
OUTA4
FB4
IN4
DTC1
R28
10k
1.25V
Vref
24K
PGOOD
R5
47K
INS4
VBAT
R27
0
1.25V
Vref
VREF
DTC4
VBAT
C4
22mF
24K
47K
R26
R25
L2
L4
22mH
C25
D2
SS12
22mH
22mF
4V/300mA
C5
3.3V/300mA
D6
SS12
APM2301A
Q4
OUT2-1
APM2300A
OUT2-2
C6
100mF
Q8
OUT5-1
OUT5-2
1mF
Q10
Q3
APM2300A
CH2
Boost
Controller
CH5
Boost
Controller
C24
22mF
Q9
Driver
C23
22mF
Driver
R24
24K
R6
33K
APM2301A
APM2301A
R22
C22
C7
R8
FB5
IN5
FB2
IN2
R7
1K
1K
0.1mF
0.1mF
R23
15K
15K
VREF
R9
DTC2
1.25V
Vref
1.25V
Vref
VREF
DTC5
24K
18K
3.3V
R21
R10
47K
D8
VBAT
R20
47K
5V
SS0520
D3
18V/3mA
C9
C8
22mF
L3
C21
L6
SS0520
D4
22mF
22mH
22mF
22mH
5V
D5
15V/20mA
APM2301A
APM2300A
OUT3
Q5
Q6
C19
22mF
SS12
C11
1mF
SS12
C10
CH3
Boost
Controller
CH6
Boost
Controller
Q7
22mF
OUT6
FB6
R18
Driver
Driver
APM2312
R11
C20
22mF
309K
165K
R12
15K
C18
0.1mF
C12
R13
1K
R17
1K
FB3
IN3
R19
0.1mF
IN6
CIN6
VREF
100K
R14
18K
C17
0.33mF
DTC3
1.26V
Vref
1.25V
Vref
CTL
SWOUT
R15
47K
CTL1,2
CTL3
CTL4
CTL5
VCC
PVCC
SWIN
C16
0.1mF
C15
0.1mF
C13
0.22mF
VREF
R16
30K
C14
100PF
Copyright ã ANPEC Electronics Corp.
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Rev. A.4 - Dec., 2008
APW7095/A
Function Description
General
ChannelControlFunction
The APW7095/A provides voltage-mode feedback con-
trols for six DC/DC PWM converters(CH1 to CH6). Each
channel operates with an error amplifier, PWM comparator,
short-circuit comparator, ON/OFF control, and output
driver. An internal temperature-compensated voltage pro-
vides reference voltages for each channel. An triangular-
wave oscillator(CT) with a timing resistor and capacitor
generates triangular waves to each channel. A inverting
amplifier(CH4) cooperates with the error amplifier for an
inverting converter (with negative output voltage) .
The channel control function turns on/off one or more
channels depending on the states (“H” or “L” level) at
CTL, CTL1,2 to CTL5 pins. The on/off control logic is
shown as the following table:
Channel on/off Setting Table
Voltage Level at CTL Pin
Channel ON/OFF State
Power CH1
/CH6 /CH2
CTL CTL1,2 CTL3 CTL4 CTL5
CH3 CH4 CH6
L
x
x
x
x
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
OFF(Standby State)
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
L
OFF
ON
L
OFF
ON
OFF
ON
H
L
L
OFF
OFF
ON
Reference Voltage
H
L
H
L
The APW7095 outputs a temperature- compensated ref-
erence voltage(2.49V) at VREF pin. It is regulated from
the voltage at VCC pin and can source current of max.
1mA to external loads. It also supplies bias for the IC’s
internal circuitry.
H
ON
OFF
ON
H
L
H
ON
OFF
ON
H
H
H
Triangular-wave Oscillator
MOSFET Drive Circuits
The triangular-wave oscillator is designed to generates
a triangular oscillation signal (CT) with amplitude of
0.3V~0.8V at CT pin, providing signal to CH6. The oscilla-
tor frequency is settable from 100kHz to 1MHz and set by
a timing resistor and a timing capacitor connected re-
spectively from RT and CT pins to ground. Additional two
triangular oscillation signals (CT1 and CT2) are also in-
ternally generated with amplitude of 1.1V~1.8V. The CT1
is in phase with the CT to the PWM comparators of CH2
and CH4; the CT2 is out of phase with the CT to the PWM
comparators of CH1, CH3, and CH5.
APW7095/A uses push-pull configuration at output of each
MOSFET driver for providing large drive current to MOSFET
gate. The following table shows the MOSFETs connected
to the drivers:
IC
APW7095
APW7095A
OUT1-1 : PMOS
OUT1-2 : NMOS
OUT2-1 : PMOS
OUT2-2 : NMOS
OUT3 : NMOS
OUT4 : NMOS
OUT5-1 : NMOS
OUT5-2 : PMOS
OUT6 : NMOS
OUT1-1 : PMOS
OUT1-2 : NMOS
OUT2-1 : NMOS
OUT2-2 : PMOS
OUT3 : NMOS
OUT4 : PMOS
OUT5-1 : NMOS
OUT5-2 : PMOS
OUT6 : NMOS
CH1
CH2
CH3
CH4
CH5
CH6
Error Amplifier
The error amplifier is designed with unit-gain-bandwidth
of 1MHz and to satisfy wide application requirements. It
works with enternal resistor-capacitor network for each
converter’s feedback compensation. The loop gain can
be set by connecting a feedback resistor and capacitor
from the output pin(FB) to inverted input pin of the error
amplifier for stable operations.
Timer-Latch Short-Circuit Protection Circuit
The short-circuit protection comparator in each channel
(CH1 to CH5) monitors converter’s output voltage via in-
put pin of error amplifier. In CH6, the short-circuit com-
parator detects the voltage at output of error amplifier. As
any detected voltages of CH1 to CH5 falls below 1.0V or
the detected voltage of CH6 is larger than 0.9V, the timer
circuits is actuated to start charging the external capacitor
CSCP connected from CSCP pin to ground. When the
rising voltage of CSCP reaches 0.7V, the IC turns off all
Inverting Amplifier (Inv Amp)
The inverting amplifier detects the inverting DC/DC con-
verter output voltage (as a negative voltage) and outputs a
control signal to the error amp.
Copyright ã ANPEC Electronics Corp.
15
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Rev. A.4 - Dec., 2008
APW7095/A
Function Description (Cont.)
Input
CTL
CTL1,2
CTL3
CTL4
CTL5
Timer-Latch Short-Circuit Protection Circuit (Cont.)
external MOSFETs and pulls up the voltage at SWOUT
pin. Then the IC is latched. Applying a signal from “L” to
“H” to CTL pin enables operation again. The short-circuit
detection function remains working during soft-start op-
eration on CH1 to CH5.
Output
2V
VB
0.9V
CIN6
CH6Output
Voltage (Vo6)
2.49V
VREF
Under-Voltage Lockout (UVLO) Circuit
1.25V
CS
The under-voltage lockout circuit monitors the supply volt-
age at VCC pin to prevent wrong logic control. The IC
starts operation after the supply voltage rises above it’s
rising threshold. As the supply voltage falls below it’s
falling threshold, the IC turns off the external MOSFETs
and pulls up the voltage at SWOUT pin.
CH1 to CH5
OutputVoltages
(Vo1 to Vo5)
t
(1)
(3) (2)
(4)
(1) to (2) : CH6 Soft-Start Interval
(3) : VREF Output start
(3) to (4) : CH1 to CH5 Soft-Start Interval
Figure 1 Soft-Start Waveforms
Input
Soft-Start Operation
CTL
The soft-start function controls the output voltage rate of
rise to limit the current surge at start-up. For CH1 to CH5,
the soft-start interval is programmed by the soft-start
capacitor, CS connected from CS pin to ground and
charged by an internal 1mA current source. For CH6, a
soucing current from the internal resistor-divider charges
the capacitor, CCIN6 connected from CIN6 pin to ground,
CTL1,2
CTL3
CTL4
CTL5
Output
2V
VB
0.9V
CIN6
CH6Output
Voltage (Vo6)
2.49V
providing soft-start control.
VREF
Figure 1 and 2 show the soft-start processes. In figure 1,
1.25V
1.25V
CS
when all control pins (CTL, CTL1,2 to CTL 5) are driven
high (“H” level) at the same time, the voltage at CIN6 pin
starts to rise up by charging the capacitor CCIN6 , starting
a soft-start operation on CH6. After the rising voltage at
CIN6 reaches 0.9V, the reference voltage starts to regu-
late and the internal source current starts to charge the
CS , starting a soft-start operation on CH1 to CH5. During
soft-start interval, the error amplifiers compares the CH1
to CH5 output voltage to the voltage at the CS pin. When
any control pins (CH1,2 to CH5) go “H” from “L” during the
soft-start interval (CH1 to CH5), the output rises rapidly to
follow the rising voltage at CS pin.
CH1 to CH3
OutputVoltages
(Vo1 to Vo3)
CH4 to CH5
OutputVoltages
(Vo4 to Vo5)
t
(1)
(3) (2) (4)
(5)
(6)
(7)
(6)'
(7)'
(1) to (2) : CH6 soft-start interval
(3) : VREF Output start
(4) to (5) : CH1 to CH3 soft-start Interval
(6) to (7) : CH4, CH5 soft-start Interval
(6)' to (7)' : CH4(CH5) soft start interval as CTL4 (CTL5) go
"H" from "L" during CH1 to CH3 soft start interval
Figure 2 Soft-Start Waveforms
Output Switch Control Circuit
The output switch control circuit outputs a signal to con-
trol external p-channel MOSFETs for preventing reactive
current flow to external step-up circuits on CH5 and CH6.
When a “H” level signal is applied to SWIN pin after re-
leasing the UVLO and the voltage at CIN6 pin rises above
0.9V(typical), the IC pulls low the voltage at SWOUT pin,
turning on the external p-channel MOSFETs to generate
output voltages.
Copyright ã ANPEC Electronics Corp.
16
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Rev. A.4 - Dec., 2008
APW7095/A
Application Information
(2) CH4
Vo(V)= -1.25V ×
Soft-Start Interval Settings
R1
The CH6 soft-start time depends on the capacitor CCIN6
and is determined as the following equation:
R2
VO
INV
Amp. 4
æ
ö
CCIN6 (F) × 37.5 (kW) × 62.5 (kW)
100 (kW)
VCIN6 (V)
1.26 (V)
R1
ç
÷
÷
ts (S) = -
×ln 1-
INA4
ç
è
ø
R2
R3
VB(2V)
OUTA4
IN4
Error
Amp. 6
Error
Amp. 4
V CIN6
37.5k
62.5k
CIN6
1.25V
R1
CCIN6
(3) CH6
The soft-start time until CH6 output voltage reaches 95%
of the set voltage is determined as the following equation:
æ
ö
÷
ø
Vo(V)=1.26V × 1+
ç
R2
è
VO
ts (S) » 0.07 × CCIN6 (mF)
VB(2V)
Error
Amp. 6
R1
On CH1 to CH5, the soft-start time depending on the
capacitor CS determined as the following equation :
IN6
37.5k
62.5k
R2
CIN6
ts (S) » 1.25 × CS (mF)
Triangular Oscillator Frequency Setting
Time Constant Setting for Timer-Latch Short-Circuit
Protection Circuit
The triangular oscillator frequency set by the timing ca-
pacitor (CT) connected to the CT pin and the timing resis-
tor (RT) connected to the RT pin determined as the fol-
lowing equation:
The time constant for timer-latch short-circuit protection
is set by the capacitor CSCP and determined as the fol-
lowing equation :
900000
fOSC (kHz)
»
RT (k W ) × CT (pF)
tPE (S) = 0.70 × CSCP (mF)
Output Voltage Settings
Dead-Time Setting
The output voltage is set by the external resistor-divider
connected with converter output, error amplifier input, and
ground.
The dead-time control pin (DTC) is designed to set the
maximum ON duty of the main-side MOSFET. When the
device is set for step-up inverted output based on the
step-up or step-up/down Zeta method or flyback method,
the FB pin voltage may reach and exceed the triangular
wave voltage due to load fluctuation. If this is the case, the
output MOSFET is fixed to a ON duty of 100 %. To prevent
this, set the maximum duty of the output MOSFET. Con-
necting a resistor- divider between VREF, DTC and GND
pins provides a voltage VDTC to DTC pin. When the the
voltage at the DTC pin is higher than the triangular wave
voltage (CT1/2), the output transistor is turned on. The
maximum duty is calculated as the following equation:
(1) CH1 to CH3, CH5
R1
R2
æ
ö
÷
ø
Vo(V)=1.25V × 1+
ç
è
V
O
Error
Amp. 1
R1
R2
IN1
1.25V
Copyright ã ANPEC Electronics Corp.
17
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Rev. A.4 - Dec., 2008
APW7095/A
Application Information (Cont.)
Dead-Time Setting (Cont.)
V
DTC -1.1V
ON Duty(max)
=
×100 (%)
0.7 V
R2
V
DTC (V)=
× VREF
R1 +R2
VREF
DTC1
R1
R2
VDTC
where VREF is the output of the reference voltage (2.49V
typical) at VREF pin. The amplitude of the triangular waves
CT1 and CT2 are typically 0.7V from 1.1V to 1.8V.
Copyright ã ANPEC Electronics Corp.
18
www.anpec.com.tw
Rev. A.4 - Dec., 2008
APW7095/A
Package Information
D
LQFP7x7-48
D 1
e
b
GAUGE PLANE
SEATING PLANE
L
LQFP7x7-48
S
Y
M
B
O
MILLIMETERS
MIN. MAX.
INCHES
MIN.
MAX.
0.063
0.006
0.057
0.011
0.008
0.362
0.280
0.362
0.280
L
A
1.60
0.15
1.45
0.27
0.20
9.20
7.10
9.20
7.10
0.002
0.053
0.007
0.004
0.346
0.272
0.346
0.272
A1
A2
b
0.05
1.35
0.17
0.09
8.80
6.90
8.80
6.90
c
D
D1
E
E1
e
0.50 BSC
0.020 BSC
0.45
0o
0.75
7o
0.018
0o
0.030
7o
L
0
Note : 1. Followed from JEDEC MS-026 BBC.
2. Dimension "D1" and "E1" do not include mold protrusions.
Allowable protrusions is 0.25 mm per side. "D1" and "E1" are
maximun plasticbody size dimensions including mold mismatch.
Copyright ã ANPEC Electronics Corp.
Rev. A.4 - Dec., 2008
19
www.anpec.com.tw
APW7095/A
Package Information
TQFN7x7-48
D
A
Pin 1
A1
A3
D2
Pin 1 Corner
e
TQFN7x7-48
S
Y
M
B
O
L
MILLIMETERS
INCHES
MIN.
MAX.
MIN.
0.028
0.000
MAX.
0.031
0.002
A
0.70
0.00
0.80
0.05
A1
A3
b
0.20 REF
0.008 REF
0.007
0.272
0.217
0.272
0.217
0.012
0.280
0.228
0.280
0.228
0.18
0.30
7.10
5.80
7.10
5.80
D
6.90
5.50
6.90
5.50
D2
E
E2
e
0.50 BSC
0.020 BSC
0.014
0.008
0.018
L
0.35
0.20
0.45
K
Note : 1. Followed from JEDEC MO-220 WKKD-4.
Copyright ã ANPEC Electronics Corp.
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Rev. A.4 - Dec., 2008
APW7095/A
Carrier Tape & Reel Dimensions
P0
P2
P1
OD0
A
K0
A0
A
OD1
B
B
SECTION A-A
SECTION B-B
d
T1
Application
TQFN7x7-48
A
H
T1
C
d
D
W
E1
F
16.4+2.00 13.0+0.50
330.0±2.00 50 MIN.
1.5 MIN.
D1
20.2 MIN. 16.0±0.30 1.75±0.10
5.5±0.10
K0
-0.00 -0.20
P0
P1
P2 D0
T
A0
B0
1.5+0.10
-0.00
0.6+0.00
-0.40
4.0±0.10
12.0±0.10
2.0±0.10
1.5 MIN.
7.30±0.20 7.30±0.20
1.3±0.20
(mm)
Devices Per Unit
Package Type
TQFN7x7-48
Unit
Quantity
2500
Tape & Reel
Copyright ã ANPEC Electronics Corp.
21
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Rev. A.4 - Dec., 2008
APW7095/A
Taping Direction Information
(T)QFN7x7
USER DIRECTION OF FEED
Reflow Condition (IR/Convection or VPR Reflow)
tp
TP
Critical Zone
TL to TP
Ramp-up
TL
tL
Tsmax
Tsmin
Ramp-down
ts
Preheat
25
°
t 25 C to Peak
Time
Reliability Test Program
Test item
SOLDERABILITY
Method
Description
245°C, 5 sec
MIL-STD-883D-2003
MIL-STD-883D-1005.7
JESD-22-B, A102
MIL-STD-883D-1011.9
MIL-STD-883D-3015.7
JESD 78
HOLT
PCT
TST
ESD
1000 Hrs Bias @125°C
168 Hrs, 100%RH, 121°C
-65°C~150°C, 200 Cycles
VHBM > 2KV, VMM > 200V
10ms, 1tr > 100mA
Latch-Up
Copyright ã ANPEC Electronics Corp.
22
www.anpec.com.tw
Rev. A.4 - Dec., 2008
APW7095/A
Classification Reflow Profiles
Profile Feature
Average ramp-up rate
(TL to TP)
Sn-Pb Eutectic Assembly
Pb-Free Assembly
3°C/second max.
3°C/second max.
Preheat
100°C
150°C
60-120 seconds
150°C
200°C
60-180 seconds
- Temperature Min (Tsmin)
- Temperature Max (Tsmax)
- Time (min to max) (ts)
Time maintained above:
- Temperature (TL)
183°C
60-150 seconds
217°C
60-150 seconds
- Time (tL)
Peak/Classification Temperature (Tp)
See table 1
See table 2
Time within 5°C of actual
Peak Temperature (tp)
10-30 seconds
20-40 seconds
Ramp-down Rate
6°C/second max.
6°C/second max.
6 minutes max.
8 minutes max.
Time 25°C to Peak Temperature
Note: All temperatures refer to topside of the package. Measured on the body surface.
Table 1. SnPb Eutectic Process – Package Peak Reflow Temperatures
Package Thickness
Volume mm3
<350
Volume mm3
350
<2.5 mm
³ 2.5 mm
240 +0/-5°C
225 +0/-5°C
225 +0/-5°C
225 +0/-5°C
Table 2. Pb-free Process – Package Classification Reflow Temperatures
Package Thickness
Volume mm3
<350
Volume mm3
350-2000
Volume mm3
>2000
<1.6 mm
1.6 mm – 2.5 mm
³ 2.5 mm
260 +0°C*
260 +0°C*
250 +0°C*
260 +0°C*
250 +0°C*
245 +0°C*
260 +0°C*
245 +0°C*
245 +0°C*
*Tolerance: The device manufacturer/supplier shall assure process compatibility up to and including the
stated classification temperature (this means Peak reflow temperature +0°C. For example 260°C+0°C)
at the rated MSL level.
Customer Service
Anpec Electronics Corp.
Head Office :
No.6, Dusing 1st Road, SBIP,
Hsin-Chu, Taiwan
Tel : 886-3-5642000
Fax : 886-3-5642050
Taipei Branch :
2F, No. 11, Lane 218, Sec 2 Jhongsing Rd.,
Sindian City, Taipei County 23146, Taiwan
Tel : 886-2-2910-3838
Fax : 886-2-2917-3838
Copyright ã ANPEC Electronics Corp.
23
www.anpec.com.tw
Rev. A.4 - Dec., 2008
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