DRV8305_15 Datasheet, PDF (35/53 Pages) Texas Instruments – DRV8305 Three Phase Gate Driver With Current Shunt Amplifiers and Voltage Regulator

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DRV8305
SLVSCX2A – AUGUST 2015 – REVISED SEPTEMBER 2015
7.6.7.3 Gate Drive Control (address = 0x7)
Table 16. Gate Drive Control Register Description
BIT
R/W
NAME
10
R/W
Reserved
9
R/W
COMM_OPTION
8:7
R/W
PWM_MODE
6:4
R/W
DEAD_TIME
3:2
R/W
TBLANK
1:0
R/W
TVDS
DEFAULT
0x0
0x1
0x0
0x1
0x1
0x2
DESCRIPTION
Rectification control (PWM_MODE = b'10 only)
b'0 - diode freewheeling
b'1 - active freewheeling
PWM Mode
b'00 - PWM with 6 independent inputs
b'01 - PWM with 3 independent inputs
b'10 - PWM with one input
b'11 - PWM with 6 independent inputs
Dead time
b'000 - 40 ns
b'011 - 500 ns
b'110 - 4000 ns
b'001 - 60 ns
b'100 - 1000 ns
b'111 - 6000 ns
b'010 - 100 ns
b'101 - 2000 ns
VDS sense blanking
b'00 - 0 µs
b'01 - 2 µs
b'10 - 4 µs
b'11 - 8 µs
VDS sense deglitch
b'00 - 0 µs
b'01 - 2 µs
b'10 - 4 µs
b'11 - 8 µs
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