ZHCSJB5B September 2019 – December 2019 DRV8904-Q1 , DRV8906-Q1 , DRV8908-Q1 , DRV8910-Q1 , DRV8912-Q1
UNLESS OTHERWISE NOTED, this document contains PRODUCTION DATA.
The open-load detect (OLD) control (OLD_CTRL_2) register-2 is shown in Figure 94 and described in Table 47.
Register access type: Read/Write
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
OLD_REP | OLD_OP | PL_MODE_EN | HB12_OLD_DIS | HB11_OLD_DIS | HB10_OLD_DIS | HB9_OLD_DIS | |
R/W-0b | R/W-0b | R/W-0b | R/W-0b | R/W-0b | R/W-0b | R/W-0b | R/W-0b |
Bit | Field | Type | Default | Description |
---|---|---|---|---|
7 | OLD_REP | R/W | 0b |
0b = Report on nFAULT pin during OLD condition 1b = No report on nFAULT pin during OLD condition |
6 | OLD_OP | R/W | 0b |
0b = Half bridges are not active after OLD condition detect 1b = Half bridges are active after OLD condition detect |
5-4 | PL_MODE_EN | W | 00b |
00b = Parallel mode OCP fast turn-off slew is enabled 01b = Parallel mode OCP slow turn-off slew is enabled 10b = Invalid Setting 11b = Invalid Setting |
3 | HB12_OLD_DIS | R/W | 0b |
0b = Open-load detection on half-bridge 12 is enabled 1b = Open-load on half-bridge 12 is disabled |
2 | HB11_OLD_DIS | R/W | 0b |
0b = Open-load detection on half-bridge 11 is enabled 1b = Open-load on half-bridge 11 is disabled |
1 | HB10_OLD_DIS | R/W | 0b |
0b = Open-load detection on half-bridge 10 is enabled 1b = Open-load on half-bridge 10 is disabled |
0 | HB9_OLD_DIS | R/W | 0b |
0b = Open-load detection on half-bridge 9 is enabled 1b = Open-load on half-bridge 9 is disabled |
NOTE
For DRV8912 and DRV8910, the PL_MODE_EN is write only bits and always read "00b".