SGM2567A [SGMICRO]
5.5V, 4A, 15mΩ RON Load Switch with Reverse Current Protection;
| 型号： | SGM2567A |
| 厂家： | 
Shengbang Microelectronics Co, Ltd |
| 描述： | 5.5V, 4A, 15mΩ RON Load Switch with Reverse Current Protection |
| 文件： | 总14页 (文件大小：909K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SGM2567A
5.5V, 4A, 15mΩ RON Load Switch with
Reverse Current Protection
GENERAL DESCRIPTION
FEATURES
The SGM2567A is a single load switch with reverse
current protection function. The device can operate
from 2.2V to 5.5V single supply and has the ability to
drive up to 4A continuous current.
● Input Voltage Range: 2.2V to 5.5V
● Maximum Continuous Current: 4A
● Low On-Resistance
RON = 15mΩ at VIN = 5V
RON = 15mΩ at VIN = 3.3V
The device contains a 15mΩ low RON N-MOSFET
controlled by the ON pin. When the power supply is
turned on for the first time, a smart pull-down resistor is
used to float the ON pin until the system is stable. Once
the ON pin reaches a high voltage (> VIH), the pull-down
resistor is disconnected, then the standby current is very
low and power loss can be reduced. The small package
and low RON make the device very suitable for space
limited, battery powered applications.
● Low Shutdown Current: 0.31μA (TYP)
● Reverse Current Protection When Disabled
● Low Threshold 1.8V GPIO Control Input
● Bidirectional Power Supply for Power Zone
Application
● Quick Output Discharge
● Internal Fixed Slew Rate to Avoid Inrush Current
● Over-Temperature Protection
● Available in a Green WLCSP-1.45×0.95-6B Package
The device supports a wide input voltage range, which
is suitable for many different voltage rails. The rise time
is used to avoid inrush current. The SGM2567A offers
the quick output discharge function in disable status.
APPLICATIONS
Smartphone
Notebook and Tablet Computers
Solid State Drive (SSD)
The SGM2567A is available in a Green WLCSP-
1.45×0.95-6B package.
Set-Top Boxes and Residential Gateways
Portable and Handheld Devices
TYPICAL APPLICATION
VIN
VIN
ON
VOUT
CIN
SGM2567A
COUT
ROUT
On
GND
Off
Figure 1. Typical Application Circuit
SG Micro Corp
MAY 2022–REV. A.1
www.sg-micro.com
5.5V, 4A, 15mΩ RON Load Switch with
SGM2567A
Reverse Current Protection
PACKAGE/ORDERING INFORMATION
SPECIFIED
TEMPERATURE
RANGE
PACKAGE
DESCRIPTION
ORDERING
NUMBER
PACKAGE
MARKING
PACKING
OPTION
MODEL
XXX
R68
SGM2567A WLCSP-1.45×0.95-6B
SGM2567AXG/TR
Tape and Reel, 3000
-40℃ to +125℃
MARKING INFORMATION
NOTE: XXX = Date Code and Trace Code.
Date Code - Year
Trace Code
X X X
Y Y Y
Serial Number
Green (RoHS & HSF): SG Micro Corp defines "Green" to mean Pb-Free (RoHS compatible) and free of halogen substances. If
you have additional comments or questions, please contact your SGMICRO representative directly.
OVERSTRESS CAUTION
ABSOLUTE MAXIMUM RATINGS
Stresses beyond those listed in Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to
absolute maximum rating conditions for extended periods
may affect reliability. Functional operation of the device at any
conditions beyond those indicated in the Recommended
Operating Conditions section is not implied.
Input Voltage Range, VIN ..................................... -0.3V to 6V
Output Voltage Range, VOUT................................ -0.3V to 6V
ON Pin Voltage Range, VON................................. -0.3V to 6V
Maximum Continuous Switch Current, IMAX........................4A
Junction Temperature.................................................+150℃
Storage Temperature Range.......................-65℃ to +150℃
Lead Temperature (Soldering, 10s)............................+260℃
ESD Susceptibility
ESD SENSITIVITY CAUTION
This integrated circuit can be damaged if ESD protections are
not considered carefully. SGMICRO recommends that all
integrated circuits be handled with appropriate precautions.
Failureto observe proper handlingand installation procedures
can cause damage. ESD damage can range from subtle
performance degradation tocomplete device failure. Precision
integrated circuits may be more susceptible to damage
because even small parametric changes could cause the
device not to meet the published specifications.
HBM.............................................................................4000V
CDM ............................................................................1000V
RECOMMENDED OPERATING CONDITIONS
Input Voltage Range, VIN ....................................2.2V to 5.5V
Output Voltage Range, VOUT..................................0V to 5.5V
High-Level ON Pin Voltage, VIH ..........................1.2V to 5.5V
Low-Level ON Pin Voltage, VIL ..............................0V to 0.4V
Input Capacitance, CIN.....................................................1μF
Operating Junction Temperature Range......-40℃ to +125℃
DISCLAIMER
SG Micro Corp reserves the right to make any change in
circuit design, or specifications without prior notice.
SG Micro Corp
www.sg-micro.com
MAY 2022
2
5.5V, 4A, 15mΩ RON Load Switch with
SGM2567A
Reverse Current Protection
PIN CONFIGURATION
(TOP VIEW)
VIN
VIN
VOUT
VOUT
A
B
C
ON
1
GND
2
WLCSP-1.45×0.95-6B
PIN DESCRIPTION
PIN
A1, B1
A2, B2
C1
NAME
VIN
FUNCTION
Switch Input. It is recommended to use a bypass capacitor (ceramic) to ground.
VOUT
ON
Switch Output.
Switch Control Input.
Ground.
C2
GND
FUNCTIONAL BLOCK DIAGRAM
VIN
Reverse
Current
Protection
Charge
Pump
Control
Logic
ON
Driver
VOUT
Smart
Pull-Down
Resistance
QOD
SGM2567A
GND
SG Micro Corp
www.sg-micro.com
MAY 2022
3
5.5V, 4A, 15mΩ RON Load Switch with
SGM2567A
Reverse Current Protection
ELECTRICAL CHARACTERISTICS
(VIN = 2.2V to 5.5V, CIN = 1μF, COUT = 0.1μF, typical values are at TJ = +25℃, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP MAX UNITS
Input Voltage Range
VIN
2.2
5.5
V
V
TJ = -40℃ to +125℃
Under-Voltage Lockout Voltage
Quiescent Current
VUVLO
1.8
840
640
580
0.31
1900
1500
1300
1.5
VIN = 5.5V, VON = 1.2V, IOUT = 0A, TJ = -40℃ to +125℃
VIN = 3.3V, VON = 1.2V, IOUT = 0A, TJ = -40℃ to +125℃
VIN = 2.2V, VON = 1.2V, IOUT = 0A, TJ = -40℃ to +125℃
VIN = 5.5V, VON = 0V, TJ = -40℃ to +85℃
IQ
nA
Shutdown Current
ISD
μA
μA
Supply Leakage Current in Shutdown
Mode
ILEAKAGE
1.6
VIN = 5.5V, VON = 0V, VOUT = 0V, TJ = -40℃ to +85℃
15
15
30
35
30
35
TJ = -40℃ to +85℃
TJ = -40℃ to +125℃
TJ = -40℃ to +85℃
TJ = -40℃ to +125℃
V
IN = 5V, VON = 1.2V,
mΩ
mΩ
mV
I
OUT = -200mA
On-Resistance
RON
VIN = 3.3V, VON = 1.2V,
OUT = -200mA
I
VIN = 5.5V
30
30
ON Pin Hysteresis
VHYS
VIN = 3.3V
ON Pin Leakage Current
ION
IRC
1.6
1.2
440
μA
μA
Ω
VON = 5.5V, TJ = -40℃ to +125℃
Reverse Current When Disabled
Output Pull-Down Resistance
Smart Pull-Down Resistance
ON Pin Input Low Voltage
VIN = VON = 0V, VOUT = 5.5V, TJ = -40℃ to +85℃
VON = 0V, IOUT = 2mA, TJ = -40℃ to +125℃
Disabled
RPD
RPD_ON
VIL
280
800
kΩ
0.4
TJ = -40℃ to +125℃
V
ON Pin Input High Voltage
VIH
1.2
TJ = -40℃ to +125℃
Over-Temperature Shutdown Threshold
Over-Temperature Shutdown Hysteresis
TSD
170
25
℃
℃
THYS
●
SG Micro Corp
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MAY 2022
4
5.5V, 4A, 15mΩ RON Load Switch with
SGM2567A
Reverse Current Protection
SWITCHING CHARACTERISTICS
(CIN = 1μF, ROUT = 10Ω, COUT = 0.1μF, typical values are at TJ = +25℃, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VIN = 5.0V, TA = +25℃, unless otherwise noted.
Turn-On Time
Turn-Off Time
VOUT Rise Time
VOUT Fall Time
Delay Time
tON
tOFF
tR
2600
8
3900
2
µs
Figure 2 and Figure 3
tF
tD
1600
VIN = 3.3V, TA = +25℃, unless otherwise noted.
Turn-On Time
Turn-Off Time
VOUT Rise Time
VOUT Fall Time
Delay Time
tON
tOFF
tR
3000
7
3600
2
µs
Figure 2 and Figure 3
tF
tD
1700
PARAMETER MEASUREMENT INFORMATION
VIN
VIN
ON
VOUT
CIN
1μF
COUT
ROUT
SGM2567A
On
*
GND
GND
Off
*: Rise and fall times of the control signal are 100ns.
Figure 2. Test Circuit
50%
50%
VON
tOFF
tON
90%
50%
90%
50%
VOUT
10%
10%
tD
tR
tF
Figure 3. Timing Waveforms
SG Micro Corp
www.sg-micro.com
MAY 2022
5
5.5V, 4A, 15mΩ RON Load Switch with
SGM2567A
Reverse Current Protection
TYPICAL PERFORMANCE CHARACTERISTICS
TJ = +25℃, CIN = 1μF, COUT = 0.1μF, ROUT = 10Ω, VIH = 1.2V, VIL = 0V, unless otherwise noted.
Quiescent Current vs. Input Voltage
Quiescent Current vs. Junction Temperature
1.7
1.4
1.1
0.8
0.5
0.2
1.7
1.4
1.1
0.8
0.5
0.2
V
V
V
IN = 4.5V
IN = 5V
IN = 5.5V
VIN = 2.2V
V
V
IN = 2.5V
IN = 3.3V
+125℃
+85℃
+25℃
-40℃
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
-50
-25
0
25
50
75
100 125
Input Voltage (V)
Junction Temperature (℃)
On-Resistance vs. Input Voltage
On-Resistance vs. Junction Temperature
VIN = 2.2V
20
18
16
14
12
10
20
18
16
14
12
10
+125℃
V
IN = 2.3V
IN = 2.5V
IN = 3.3V
IN = 4.5V
IN = 5V
V
V
V
V
V
+85℃
+25℃
-40℃
IN = 5.5V
IOUT = -200mA
4.5 5.0 5.5
IOUT = -200mA
75 100 125
2.0
2.5
3.0
3.5
4.0
-50
-25
0
25
50
Input Voltage (V)
Junction Temperature (℃)
Output Pull-Down Resistance vs. Input Voltage
On-Resistance vs. Output Current
VIN = 2.5V
330
310
290
270
250
230
35
30
25
20
15
10
V
V
V
V
IN = 3.3V
IN = 4.5V
IN = 5V
IN = 5.5V
+125℃
+85℃
+25℃
-40℃
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Input Voltage (V)
Output Current (A)
SG Micro Corp
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MAY 2022
6
5.5V, 4A, 15mΩ RON Load Switch with
SGM2567A
Reverse Current Protection
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
TJ = +25℃, CIN = 1μF, COUT = 0.1μF, ROUT = 10Ω, VIH = 1.2V, VIL = 0V, unless otherwise noted.
Shutdown Current vs. Input Voltage
Shutdown Current vs. Junction Temperature
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
3.5
3
VIN = 2.2V
VIN = 2.5V
V
V
V
V
IN = 3.3V
IN = 4.5V
IN = 5V
2.5
2
IN = 5.5V
+125℃
+85℃
1.5
1
0.5
0
+25℃
-40℃
2.0
2.0
2.5
2.5
3.0
3.5
4.0
4.5
5.0
5.5
-50
-25
0
25
50
75
100 125
Input Voltage (V)
Junction Temperature (℃)
Output Voltage vs. VON Falling
Output Voltage vs. VON Rising
VIN = 5.5V
V
V
V
V
V
V
6
6
5
4
3
2
1
0
VIN = 5.5V
IN = 5V
V
V
V
V
V
V
IN = 5V
5
4
3
2
1
0
IN = 4.5V
IN = 3.3V
IN = 2.5V
IN = 2.3V
IN = 2.2V
IN = 4.5V
IN = 3.3V
IN = 2.5V
IN = 2.3V
IN = 2.2V
1.6
1.2
0.8
0.4
0.0
0.0
0.4
0.8
1.2
1.6
2.0
VON Falling (V)
VON Rising (V)
Turn-On Time vs. Input Voltage
Turn-Off Time vs. Input Voltage
9000
7500
6000
4500
3000
1500
0
60
50
40
30
20
10
0
-40℃
+25℃
+85℃
-40℃
+25℃
+85℃
+125℃
+125℃
3.0
3.5
4.0
4.5
5.0
5.5
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Input Voltage (V)
Input Voltage (V)
SG Micro Corp
www.sg-micro.com
MAY 2022
7
5.5V, 4A, 15mΩ RON Load Switch with
SGM2567A
Reverse Current Protection
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
TJ = +25℃, CIN = 1μF, COUT = 0.1μF, ROUT = 10Ω, VIH = 1.2V, VIL = 0V, unless otherwise noted.
Rise Time vs. Input Voltage
Fall Time vs. Input Voltage
7000
6000
5000
4000
3000
2000
1000
0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
-40℃
+25℃
+85℃
-40℃
+25℃
+125℃
+125℃
+85℃
4.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
2.5
3.0
3.5
4.5
5.0
5.5
Input Voltage (V)
Input Voltage (V)
Delay Time vs. Input Voltage
ON Pin Hysteresis vs. Input Voltage
7000
6000
5000
4000
3000
2000
1000
0
70
60
50
40
30
20
10
0
-40℃
+25℃
+85℃
+125℃
2.5
3.0
3.5
4.0
4.5
5.0
5.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Input Voltage (V)
Input Voltage (V)
Turn-On Response Time
Turn-Off Response Time
VIN = 3.3V
VIN = 3.3V
VON
VOUT
VON
VOUT
Time (1ms/div)
Time (2μs/div)
SG Micro Corp
www.sg-micro.com
MAY 2022
8
5.5V, 4A, 15mΩ RON Load Switch with
SGM2567A
Reverse Current Protection
DETAILED DESCRIPTION
The SGM2567A is a small, 6-ball, 4A load switch. A low
on-resistance N-MOSFET is integrated, which makes a
low voltage drop across the device. To choose suitable
rise time is always used to avoid inrush current.
Quick Output Discharge
The quick output discharge (QOD) feature is available
for SGM2567A. If the ON pin is pulled low, a discharge
resistor of 280Ω (TYP) is connected between VOUT
and GND pins to prevent the output from floating when
the switch is disabled.
Control Pin
The ON pin can control the device. Pulling the ON pin
high enables the device. Logic high of VIH on the ON
pin will enable the device and VIL will turn off it. It has
the ability to interface with low-voltage GPIO. It can
support with 1.8V, 2.5V, 3.3V GPIOs.
ON
L
VIN to VOUT
Output Discharge
Active
Off
On
H
Disabled
APPLICATION INFORMATION
In this example: COUT = 4.7μF, VOUT = VIN = 3.3V, IINRUSH
= 30mA.
SGM2567A is a single channel, up to 4A current
capability load switch with low on-resistance. The
device has a wide input range, which can be used in
different end equipment to set power sequence, reduce
inrush current and maintain low standby leakage
current. The typical application circuit of SGM2567A is
shown in Figure 4.
So,
dt = 4.7μF × 3.3V/30mA ≈ 517μs
(3)
To ensure an inrush current is less than 30mA, the
soft-start time cannot be less than 517μs. The
SGM2567A has a typical rise time of 3600μs at 3.3V
which meets the above design requirements.
Input Voltage
VIN
VOUT
Input Capacitor
CIN
COUT
SGM2567A
ROUT
Load
On
A 1μF input capacitor (CIN) is recommended to use
between VIN and GND close to the device pins. It can
limit the voltage drop on the input supply. Larger CIN
can reduce voltage dip in high current applications.
ON
GND
Off
Figure 4. Typical Application Circuit
Output Capacitor
Design Requirements
A 0.1μF output capacitor (COUT) should be placed
between VOUT and GND close to the device pins. This
capacitor will prevent parasitic board inductances from
forcing VOUT below GND when the switch is turned off.
To improve the VIN dropping when the device is turned
on, it is recommended that CIN is placed greater than
Design Parameter
Value
3.3V
Input Voltage (VIN)
Load Capacitance (COUT)
4.7µF
30mA
Maximum Acceptable Inrush Current (IINRUSH
)
C
OUT, due to the CIN is charge for COUT.
Inrush Current
When the switch is enabled, VOUT begins to soft-start
Over-Current Condition
from 0V linearly. Inrush current can be calculated by the
The SGM2567A responds to over-current condition
when output current exceeds 5.6A. When an
over-current condition is detected, the device maintains
a constant output current and reduces the output
voltage accordingly.
following formula.
dVOUT
(1)
I
= COUT ×
INRUSH
dt
From the Equation 1, we can also calculate the
soft-start time.
dt = COUT × VOUT/IINRUSH
(2)
SG Micro Corp
www.sg-micro.com
MAY 2022
9
5.5V, 4A, 15mΩ RON Load Switch with
SGM2567A
Reverse Current Protection
APPLICATION INFORMATION (continued)
Figure 6 shows how the reverse current protection circuit
Saving Standby Power
is activated in SGM2567A. Pulling the ON pin down, the
device is shut down and an external voltage (VFORCE) is
forced to VOUT pin, the reverse current is tested very
small given by IRC_VIN. This will prevent any large extra
current reverse from the VFORCE (added on VOUT) to VIN.
In battery-powered equipment, the strict power budget
must be met under different operating modes. In
standby or sleep mode, leakage current of some
modules such as LCD displays, Wi-Fi, power amplifiers
and GPS may be up to several mA or more. The large
consumption is far from meeting the application
requirements. Using load switches ahead of these
modules can reduce this leakage current to μA/nA level,
which can save the standby power consumption greatly.
The configuration is illustrated in Figure 5.
Power Supply Recommendations
The SGM2567A is designed for a wide operate input
voltage range of 2.2V to 5.5V. Place a 1μF input
bypass capacitor close to the device terminal is
recommended.
Always On
Module
VIN
Power Supply Sequencing without a GPIO
Input
System
Module
VIN
ON
VOUT
CIN
COUT
SGM2567A
In many terminal devices, each module needs to be
powered up in a pre-determined manner. SGM2567A
can set a power sequence by the tDELAY without extra
GPIO, and may reduce inrush current. Figure 7 shows
the sequence that the ON pin of first load switch is tied
to the VIN, and the second load switch ON pin is tied to
the VOUT of first load switch. The second load switch is
powered up when the first load switch is turned on, this
is the fixed sequence and the delay time set by default
On
GND
Off
Figure 5. Standby Power Reduction
Reverse Current Protection
If the ON pin is pulled low, the device is disabled, while
VIN > 2.2V or VOUT > 1V is met, the reverse current
protection function is activated. This function prevents
the current flowing from VOUT to VIN, and is very
useful when SGM2567A is disabled and the output
needs to be driven by another voltage source.
tDELAY
.
Power Supply
CIN
VIN
ON
VOUT
Module 1
COUT1
SGM2567A
GND
VSRC
VIN
ON
VOUT
GND
Module 2
COUT2
SGM2567A
VIH
VIN
RCP Disabled
RCP Enabled
VON
0V
SRC - (IOUT × RON
V
)
VFORCE
VOUT
Figure 7. Power Supply Sequencing without a GPIO Input
Due to QOD
IOUT
IVIN
0V
IRC_VIN
NOTES: VSRC is the input power supply to the equipment.
FORCE is the external power source forced at VOUT pin. IVIN
V
is the current of VIN pin. IOUT is output load current.
Figure 6. Reverse Current Protection
SG Micro Corp
www.sg-micro.com
MAY 2022
10
5.5V, 4A, 15mΩ RON Load Switch with
SGM2567A
Reverse Current Protection
REVISION HISTORY
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
MAY 2022 ‒ REV.A to REV.A.1
Page
Updated General Description and Features sections ...........................................................................................................................................1
Updated Detailed Description and Application Information sections............................................................................................................... 9, 10
Changes from Original (JUNE 2020) to REV.A
Page
Changed from product preview to production data.............................................................................................................................................All
SG Micro Corp
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MAY 2022
11
PACKAGE INFORMATION
PACKAGE OUTLINE DIMENSIONS
WLCSP-1.45×0.95-6B
A1 CORNER
0.21
0.19
6 × Φ
0.5
0.5
TOP VIEW
RECOMMENDED LAND PATTERN
0.950± 0.015
1
2
6 × Φ0.240± 0.030
A
B
C
0.5
0.450± 0.050
0.170± 0.020
0.255± 0.025
0.025± 0.005
0.5
BOTTOM VIEW
SIDE VIEW
NOTE: All linear dimensions are in millimeters.
SG Micro Corp
TX00159.000
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PACKAGE INFORMATION
TAPE AND REEL INFORMATION
REEL DIMENSIONS
TAPE DIMENSIONS
P2
P0
W
Q2
Q4
Q2
Q4
Q2
Q4
Q1
Q3
Q1
Q3
Q1
Q3
B0
Reel Diameter
P1
A0
K0
Reel Width (W1)
DIRECTION OF FEED
NOTE: The picture is only for reference. Please make the object as the standard.
KEY PARAMETER LIST OF TAPE AND REEL
Reel Width
Reel
Diameter
A0
B0
K0
P0
P1
P2
W
Pin1
Package Type
W1
(mm)
(mm) (mm) (mm) (mm) (mm) (mm) (mm) Quadrant
WLCSP-1.45×0.95-6B
7″
9.0
1.12
1.57
0.62
4.0
4.0
2.0
8.0
Q1
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PACKAGE INFORMATION
CARTON BOX DIMENSIONS
NOTE: The picture is only for reference. Please make the object as the standard.
KEY PARAMETER LIST OF CARTON BOX
Length
(mm)
Width
(mm)
Height
(mm)
Reel Type
Pizza/Carton
7″ (Option)
7″
368
442
227
410
224
224
8
18
SG Micro Corp
www.sg-micro.com
TX20000.000
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