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DRV8302DCAR Datasheet(数据表) 4 Page - Texas Instruments

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部件型号  DRV8302DCAR
说明  Three Phase Pre-Driver with Dual Current Shunt Amplifiers and Buck Regulator Hardware Controlled
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
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DRV8302DCAR Datasheet(HTML) 4 Page - Texas Instruments

 
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DRV8302
SLES267
– AUGUST 2011
www.ti.com
PIN FUNCTIONS (continued)
PIN
I/O(1)
DESCRIPTION
NAME
NO.
SL_C
34
I
Low-Side MOSFET source connection, half-bridge C. Low-side VDS measured between this pin and
SH_C.
GL_C
35
O
Gate drive output for Low-Side MOSFET, half-bridge C
SH_C
36
I
High-Side MOSFET source connection, half-bridge C. High-side VDS measured between this pin and
PVDD1.
GH_C
37
O
Gate drive output for High-Side MOSFET, half-bridge C
BST_C
38
P
Bootstrap cap pin for half-bridge C
SL_B
39
I
Low-Side MOSFET source connection, half-bridge B. Low-side VDS measured between this pin and
SH_B.
GL_B
40
O
Gate drive output for Low-Side MOSFET, half-bridge B
SH_B
41
I
High-Side MOSFET source connection, half-bridge B. High-side VDS measured between this pin and
PVDD1.
GH_B
42
O
Gate drive output for High-Side MOSFET, half-bridge B
BST_B
43
P
Bootstrap cap pin for half-bridge B
SL_A
44
I
Low-Side MOSFET source connection, half-bridge A. Low-side VDS measured between this pin and
SH_A.
GL_A
45
O
Gate drive output for Low-Side MOSFET, half-bridge A
SH_A
46
I
High-Side MOSFET source connection, half-bridge A. High-side VDS measured between this pin and
PVDD1.
GH_A
47
O
Gate drive output for High-Side MOSFET, half-bridge A
BST_A
48
P
Bootstrap cap pin for half-bridge A
BIAS
49
I
Bias pin. Connect 1M
Ω resistor to GND, or 0.1 µF capacitor to GND.
PH
50, 51
O
The source of the internal high side MOSFET of buck converter
BST_BK
52
P
Bootstrap cap pin for buck converter
PVDD2
53,54
P
Power supply pin for buck converter, PVDD2 cap should connect to GND.
EN_BUCK
55
I
Enable buck converter. Internal pull-up current source. Pull below 1.2V to disable. Float to enable.
Adjust the input undervoltage lockout with two resistors
SS_TR
56
I
Buck soft-start and tracking. An external capacitor connected to this pin sets the output rise time. Since
the voltage on this pin overrides the internal reference, it can be used for tracking and sequencing. Cap
should connect to GND
GND
57
P
GND pin. The exposed power pad must be electrically connected to ground plane through soldering to
(POWER
PCB for proper operation and connected to bottom side of PCB through vias for better thermal
PAD)
spreading.
4
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Copyright
© 2011, Texas Instruments Incorporated
Product Folder Link(s): DRV8302




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