DRV8305_15 Datasheet, PDF (3/53 Pages) Texas Instruments – DRV8305 Three Phase Gate Driver With Current Shunt Amplifiers and Voltage Regulator

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5 Pin Configuration and Functions
PHP Package
48-Pin HTQFP
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DRV8305
SLVSCX2A – AUGUST 2015 – REVISED SEPTEMBER 2015
EN_GATE
1
INHA
2
INLA
3
INHB
4
INLB
5
INHC
6
INLC
7
nFAULT
8
nSCS
9
SDI
10
SDO
11
SCLK
12
1
POWE2R PAD
(G3ND)
36
GHA
35
SHA
34
SLA
33
GLA
32
GLB
31
SLB
30
SHB
29
GHB
28
GHC
27
SHC
26
SLC
25
GLC
PIN
NO.
NAME
1 EN_GATE
2 INHA
3 INLA
4 INHB
5 INLB
6 INHC
7 INLC
8 nFAULT
9 nSCS
10 SDI
11 SDO
12 SCLK
13 PWRGD
Pin Functions
I/O
DESCRIPTION
I Enable gate
I Bridge PWM input
I Bridge PWM input
I Bridge PWM input
I Bridge PWM input
I Bridge PWM input
I Bridge PWM input
OD Fault indicator
I SPI chip select
I SPI input
O SPI output
I SPI clock
OD Power Good
Enables the gate driver and current shunt amplifiers; internal
pulldown
PWM input signal for bridge A high-side
PWM input signal for bridge A low-side
PWM input signal for bridge B high-side
PWM input signal for bridge B low-side
PWM input signal for bridge C high-side
PWM input signal for bridge C low-side
When low indicates a fault has occurred; open drain; external
pullup to MCU power supply needed (1 kΩ to 10 kΩ)
Select/enable for SPI; active low
SPI input signal
SPI output signal; referred to VREG
SPI clock signal
VREG and MCU watchdog fault indication; open drain; external
pullup to MCU power supply needed (1 kΩ to 10 kΩ)
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