STK984-091A-E [ONSEMI]
3-phase Brush-less DC Motor Driver IC; 3相无刷直流电动机驱动器IC
| 型号： | STK984-091A-E |
| 厂家： | 
ONSEMI |
| 描述： | 3-phase Brush-less DC Motor Driver IC |
| 文件： | 总7页 (文件大小：69K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Ordering number : ENA2117A
STK984-091A-E
Thick-Film Hybrid IC
3-phase Brush-less DC
http://onsemi.com
Motor Driver IC
Overview
The STK984-091A-E is a hybrid IC designed to be used in Brush-less DC Motor.
Application
Industrial – Motor Drive
Features
FET can be driven (built-in pre-driver IC) by microcontroller output ( logic system).
Various protections (Overcurrent Protection, Over Temperature Protection, Low Voltage Protection, Over Voltage
Protection) are incorporated.
Intelligent DIAG Function that externally outputs each protection status, such as Overcurrent Protection, Over
Temperature Protection.
Protection functions can be reset by external inputs.
Series model
STK984-091A-E
40V
STK984-090A-E
40V
VB max
Id max
IOC
20A
20A
91-170A
48-90A
68-160A
22-65A
ISD
TSD
135-145C
126-136C
Specifications
Absolute Maximum Ratings at Ta = 25C, Tc = 25C
Parameter
Symbol
V+B1
V+B2
max
Conditions
Ratings
-0.3 to 40
Unit
V
Supply voltage
+B1 to PG
+B2 to SG
Control input voltage
DIAG terminal voltage
Drain current
V
UT, VT, WT, UB, VB, WB to SG
DIAG1, DIAG2 to SG
DC
-0.3 to 6
-0.3 to 6
20
V
V
IN
VDIAG
Id max
A
Pulse (Single-Shot within 10s)
Semiconductor device
180
A
Junction temperature
Storage temperature
Tj max
Tstg
150
C
C
-40 to +125
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.
ORDERING INFORMATION
See detailed ordering and shipping information on page 7 of this data sheet.
Semiconductor Components Industries, LLC, 2013
April, 2013
91212HK/82912HKPC 018-12-0023 No.A2117-1/7
STK984-091A-E
Recommended Operating Conditions at -40C Tc 125C
Parameter
Symbol
V+B1
V+B2
Test Conditions
min
typ
13.5
max
Unit
V
Supply voltage
+B1 to PG
+B2 to SG
8
18
20
Output current
I
I
ON duty, ON duty100%
O
O
A
120deg excitation method
Operating substrate
temperature
Tc
Thick film IC substrate temperature
-40
125
20
C
Drive PWM frequency
FO
ONDuty: 10 to 90%, 100%
kHz
Thermal Resistance
Parameter
Symbol
jc
Test Conditions
min
typ
max
Unit
Chip-case resistance
Junction -to- backside of the substrate
MOSFET/ch
4.5
C/W
Electrical Characteristics at Ta = 25C, V+B1 (V+B2) = 13.5V unless otherwise specifed
Parameter
Symbol
Test Conditions
min
typ
max
Unit
mA
Current consumption
(Control system)
I
V+B1=V+B2=16V
CC
10
15
Output saturation voltage
V
(sat)
I
=20A
+B1 to U, V, W
0.3
0.2
0.5
0.4
DS
O
V
U, V, W to PG
Current sensing resistor
Time delay (ON)
Rs
2.91
3.00
1.8
1.9
0.3
2.9
2.2
0.3
3.09
2.8
m
td(on)
20A
U, V, W
0.9
0.9
s
s
-
-
-
-
U , V , W
3.0
Rise time
tr
20A
20A
Time delay (OFF)
td(off)
U, V, W
1.3
0.8
4.5
3.5
s
s
-
-
U , V , W
Fall time
tf
20A
Motor Control Input Terminal at 8V V+B1 (V+B2) 18V, -40C Ta 125C
Parameter
Input ON voltage
Input OFF voltage
Symbol
Test Conditions
min
typ
max
Unit
V
V
V
(on)
Output on UT, VT, WT, UB, VB, WB to SG
Output off UT, VT, WT, UB, VB, WB to SG
3.5
3.5
IN
(off)
IN
1.5
1.5
V
Reset Input Terminal at 8V V+B1 (V+B2) 18V, -40C Ta 125C
Parameter
Reset high voltage
Reset low voltage
Output delay time (ON)
Symbol
Vreset(Hi)
Vreset(Lo)
treset(on)
Test Conditions
min
typ
max
Unit
V
Output ON
Output OFF
V
From reset input terminal
(RESET=Hi) to output ON
From reset input terminal
(RESET=Lo) to output OFF
0.25
ms
Output delay time (OFF)
treset(off)
2
s
No.A2117-2/7
STK984-091A-E
Protective Function at Ta = 25C, V+B1 (V+B2) = 13.5V unless otherwise specified
Parameter
Symbol
Test Conditions
min
typ
4.75
max
Unit
V
Low voltage protection
threshold
Vuv
4.45
5.1
0.3
Low voltage protection
hysteresis
Vuv(hy)
Tuvoff
0.07
48
0.2
V
Low voltage shutdown
output delay
1.0
68
s
A
Over current threshold
ISD
Automatic recovery
90
Over current DIAG
output delay time
Over current shutdown
interval
Tocdgoff
4.3
s
tint
1
4.3
ms
s
A
Over current shutdown
output delay
Tocoff
IOC
Ground fault short-circuit
protection
Power-cycle
91
134
170
Ground fault short-circuit
detection DIAG
Tspdgoff
3.0
3.0
ms
ms
output delay time
Ground fault short-circuit
shutdown output delay
time
Tspoff
Temperature protection
shutdown
Tst
Thick film IC substrate temperature, automatic
restoration
135
115
140
120
3.4
3.4
145
125
C
C
ms
Temperature protection
recovery
Tst(hy)
Tthdgoff
Tthoff
Thick film IC substrate temperature
Over temperature DIAG
output delay time
Over temperature
shutdown output delay
Over voltage threshold
s
V
Vov
24
Over voltage protection
hysteresis width
Vov(hy)
0.5
1.0
V
Over voltage shutdown
output delay
Tovoff
s
No.A2117-3/7
STK984-091A-E
Package Dimensions
unit : mm (typ)
56.0
R1.7
1
23
2.6
0.75
2.0
6.8
22 2.0=44.0
(50.0)
59.8
Internal Block Diagram
+B2(1)
S2(23)
S1(22)
+B(20)
+B(21)
OVSD
/UVSD
Charge
Pump
5V Reg.
UT(4)
VT(5)
WT(6)
UB(7)
High side
Gate Drive
High side
Circuit
ISD
Logic/
Protection
Control
U(12)
U(13)
VB(8)
WB(9)
V(14)
V(15)
W(16)
W(17)
Reset
RESET(3)
Low side
Low side
ISD
Gate Drive
Circuit
DIAG1(10)
DIAG2(11)
DIAG
output
TSD
PG(18)
PG(19)
Temperature
Compensation
SG(2)
SUB
No.A2117-4/7
STK984-091A-E
Application Circuit
U: 12, 13
V: 14, 15
W: 16, 17
+B1: 20, 21
+
+
8 to 18V(DC)
2.2F
M
PG: 18, 19
+B2: 1
5V(DC)
SG: 2
DIAG1: 10
DIAG2: 11
4.7k
4.7k
STK984-091A-E
UT: 4
VT: 5
WT: 6
UB: 7
VB: 8
WB: 9
RESET: 3
S1: 22
S2: 23
NOTE
1. A voltage overshoot with vibration will be occurred during a switching operation due to floating inductance of the
power source wiring connected between terminal +B1 and PG. In order that the voltage overshoot between +B1 and
PG, +B1 and each –UBW, each UVW and PG will not exceed its rating, please minimize wiring inductance by
shortening the wiring, also connect a snubber circuit close to between +B1 and PG terminals.
2. With the object of the overcurrent protection circuit fail-safe design, inserting a fuse in +B1 line is recommended.
3. There is a 100k (Typ) pull-down resister connected inside of the signal input terminal. However, in the case of
mounting a resister externally to reduce noise due to wiring, please satisfy the input voltage threshold of this
Hybrid-IC.
4. Terminal DIAG 1 and DIAG 2 are the open drain output configuration. Please pull up with 4.7k resister to 5V
power supply.
5. There is a 100k (Typ) pull-up resister connected inside of the RESET terminal. It operates normally in the open-
state. When the short-circuit protection operates and latches the output OFF, the latched output OFF can be released
by making RESET terminal Low and re-opened.
No.A2117-5/7
STK984-091A-E
Pin Function Description
Pin No.
Pin Name
Description
Pin*
S
1
2
3
+B2
Control System Power
Control System GND
RESET Terminal
SG
S
RESET
Normal operating in RESET = H or Open-State
S
The Gate Output will be Lo-state for both Hi/Lo sides with RESET = L (Output OFF)
Output OFF Latch Release terminal of Short-circuit Protection
Driving Signal Input Upper U-phase
4
5
UT
VT
S
S
S
S
S
S
Driving Signal Input Upper V-phase
Driving Signal Input Upper W-phase
Driving Signal Input Lower U-phase
Driving Signal Input Lower V-phase
Driving Signal Input Lower W-phase
6
WT
7
UB
8
VB
9
WB
DIAG1
10
Fault Diagnosis Output 1 (Overcurrent)
Normal Operation: Lo
S
S
Abnormal Operation: Hi
11
DIAG2
Fault Diagnosis Output 2 (Over Temperature)
Normal Operation: Lo
Abnormal Operation: Hi
12
13
14
15
16
17
18
19
20
21
22
23
U
U
U-phase Output
P
P
P
P
P
P
P
P
P
P
S
S
U-phase Output
V
V-phase Output
V
V-phase Output
W
W-phase Output
W
W-phase Output
PG
PG
+B1
+B1
S1
S2
Power System GND
Power System GND
Power System Supply
Power System Supply
Current Sense Resistor Sensing (+) terminal
Current Sense Resistor Sensing (-) terminal
*
S: Signal terminal
P: Power terminal
No.A2117-6/7
STK984-091A-E
I
- Tc
I
- VB
CCO
CCO
12
10
8
12
10
8
VB=16V
Tc=25C
6
6
4
4
2
0
2
0
0
20
40
60
80
100
120
140
0
5
10
15
20
25
30
Tc - C
VB - V
Vsat - Tc
Vsat - I
D
450
400
350
300
250
200
150
100
300
250
I =20A
D
VB=16V,
Tc=25C
200
150
100
50
0
50
0
0
20
40
60
80
100
120
140
0
5
10
15
20
25
I
D
- A
Tc - C
ORDERING INFORMATION
Device
Package
Shipping (Qty / Packing)
9 / Fan-Fold
SIP-23
(Pb-Free)
STK984-091A-E
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performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical
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PS No.A2117-7/7
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