SLVSHH3A March 2025 – August 2025 DRV8263-Q1
PRODUCTION DATA
Refer to the PDF data sheet for device specific package drawings
The following table lists all the registers that can be accessed by the user. All register addresses NOT listed in this table is considered as "reserved" locations and access is blocked to this space.
| Name | Bit 7 | Bit 6 | Bit 5 | Bit 4 | Bit 3 | Bit 2 | Bit 1 | Bit 0 | Type (1) |
|---|---|---|---|---|---|---|---|---|---|
| DEVICE_ID | DEV_ID[5:0] | REV_ID[1:0] | R | ||||||
| FAULT | ERR(2) | POR | FAULT | VMOV | VMUV | OCP | TSD | OLA(2) | R |
| STATUS1 | OLA1 | OLA2 | ITRIP_CMP | ACTIVE | OCP_H1 | OCP_L1 | OCP_H2 | OCP_L2 | R |
| STATUS2 | DRV_STAT | RSVD | OTW | ACTIVE | RSVD | OLP_CMP | R | ||
| COMMAND | CLR_FLT | RSVD | SPI_IN_LOCK[1:0] | RSVD | REG_LOCK[1:0] | R/W | |||
| SPI_IN | RSVD | S_DRVOFF | S_DRVOFF2 | S_ENIN1 | S_PHIN2 | R/W | |||
| CONFIG1 | EN_OLA | OTW_SEL | OVSEL | SSC_DIS | OCP_RTRY | TSD_RTRY | OV_RTRY | OLA_RTRY | R/W |
| CONFIG2 | EXTEND | S_DIAG[1:0] | ISEL[1:0] | S_ITRIP[2:0] | R/W | ||||
| CONFIG3 | TOFF[1:0] | EN_POB | TBLK | SR[1:0] | S_MODE [1:0] | R/W | |||
| CONFIG4 | OTW_REP | TOCP | OLA_FLTR | OCP_SEL[1:0] | DRV_SEL | ENIN1_SEL | PHIN2_SEL | R/W | |
Return to the User Register table.
| Device | DEVICE_ID value |
|---|---|
| DRV8263S-Q1 | 0 x 25 |
Return to the User Register table.
| Bit | Field | Type | Reset | Description |
|---|---|---|---|---|
| 7 | ERR | R | 0b | 1b indicates that a SPI communication fault has occurred in the previous SPI frame. |
| 6 | POR | R | 1b | 1b indicates that a power-on-reset has been detected. |
| 5 | FAULT | R | 0b | Logic OR of ERR, POR, VMUV, OCP & TSD |
| 4 | VMOV | R | 0b | 1b indicates that a VM over voltage has been detected. |
| 3 | VMUV | R | 0b | 1b indicates that a VM under voltage has been detected. |
| 2 | OCP | R | 0b | 1b indicates that an over current has been detected in either one or more power FETs. Refer OCP_SEL, TOCP to change thresholds & filter times. Refer OCP_RETRY to configure fault reaction. |
| 1 | TSD | R | 0b | 1b indicates that an over temperature has been detected. Refer TSD_RETRY to configure fault reaction. |
| 0 | OLA | R | 0b | 1b indicates that an open load condition has been detected in the ACTIVE state. Refer to EN_OLA to disable diagnostic, OLA_RETRY to configure fault reaction. |
Return to the User Register table.
| Bit | Field | Type | Reset | Description |
|---|---|---|---|---|
| 7 | OLA1 | R | 0b | 1b indicates that an open load condition has been detected in the ACTIVE state on OUT1 |
| 6 | OLA2 | R | 0b | 1b indicates that an open load condition has been detected in the ACTIVE state on OUT2 |
| 5 | ITRIP_CMP | R | 0b | 1b indicates that load current has reached the ITRIP regulation level. |
| 4 | ACTIVE | R | 0b | 1b indicates that the device is in the ACTIVE state |
| 3 | OCP_H1 | R | 0b | 1b indicates that an over current has been detected on the high-side FET (short to GND) on OUT1 |
| 2 | OCP_L1 | R | 0b | 1b indicates that an over current has been detected on the low-side FET (short to VM) on OUT1 |
| 1 | OCP_H2 | R | 0b | 1b indicates that an over current has been detected on the high-side FET (short to GND) on OUT2 |
| 0 | OCP_L2 | R | 0b | 1b indicates that an over current has been detected on the low-side FET (short to VM) on OUT2 |
Return to the User Register table.
| Bit | Field | Type | Reset | Description |
|---|---|---|---|---|
| 7 | DRV_STAT | R | - | This bit shows the status of the DRVOFF pin. 1b implies the pin status is high. |
| 6 | RSVD | R | 0b | Reserved |
5 | OTW | R | 0b | 1b indicates that a over temperature warning event has been detected. |
| 4 | ACTIVE | R | 0b | 1b indicates that the device is in the ACTIVE state (Copy of bit4 in STATUS1) |
| 3-1 | RSVD | R | 000b | Reserved |
| 0 | OLP_CMP | R | 0b | This bit is the output of the off-state diagnostics (OLP) comparator. |
Return to the User Register table.
| Bit | Field | Type | Reset | Description |
|---|---|---|---|---|
| 7 | CLR_FLT | R/W | 0b | Clear Fault command - Write 1b to clear all faults reported in the fault registers and de-assert the nFAULT pin |
| 6-5 | RSVD | R | 00b | Reserved |
| 4-3 | SPI_IN_LOCK | R/W | 01b |
|
| 2 | RSVD | R | 0b | Reserved |
| 1-0 | REG_LOCK | R/W | 01b |
|
Return to the User Register table.
| Bit | Field | Type | Reset | Description |
|---|---|---|---|---|
| 7-4 | RSVD | R | 0000b | Reserved |
| 3 | S_DRVOFF | R/W | 1b | Register bit equivalent of DRVOFF pin when SPI_IN is unlocked. Refer Register Pin control section. In Independent mode, this bit shuts off half-bridge 1. |
| 2 | S_DRVOFF2 | R/W | 1b | Register bit to shut off half-bridge 2 in Independent mode when SPI_IN is unlocked. Refer Register Pin control section |
| 1 | S_ENIN1 | R/W | 0b | Register bit equivalent of EN/IN1 pin when SPI_IN is unlocked. Refer Register Pin control section |
| 0 | S_PHIN2 | R/W | 0b | Register bit equivalent of PH/IN2 pin when SPI_IN is unlocked. Refer Register Pin control section |
Return to the User Register table.
| Bit | Field | Type | Reset | Description |
|---|---|---|---|---|
| 7 | EN_OLA | R/W | 0b | Write 1b to enable open load detection in the active state. In Independent mode, OLA is always disabled for low-side load. Refer DIAG section. |
| 6 | OTW_SEL | R/W | 0b | Over Temperature Warning threshold 0b = 140 °C 1b = 120 °C |
5 | OVSEL | R/W | 0b | 0b: VMOV enabled 1b: VMOV disabled |
| 4 | SSC_DIS | R/W | 1b | 0b: Enables the spread spectrum clocking feature |
| 3 | OCP_RTRY | R/W | 0b | Write 1b to configure fault reaction to retry setting on the detection of over current, else the fault reaction is latched |
| 2 | TSD_RTRY | R/W | 0b | Write 1b to configure fault reaction to retry setting on the detection of over temperature, else the fault reaction is latched |
| 1 | OV_RTRY | R/W | 0b | Write 1b to configure fault reaction to retry setting on the detection of VMOV, else the fault reaction is latched. This bit also controls the fault reaction for a VM under voltage detection. |
| 0 | OLA_RTRY | R/W | 0b | Write 1b to configure fault reaction to retry setting on the detection of open load during active, else the fault reaction is latched. |
Return to the User Register table.
| Bit | Field | Type | Reset | Description |
|---|---|---|---|---|
| 7 | EXTEND | R/W | 0b | Write 1b to access additional Hi-Z (coast) states in the PWM mode - refer PWM EXTEND table |
| 6-5 | S_DIAG | R/W | 00b | Load type indication - refer to DIAG table |
4-3 | ISEL | R/W | 11b | Selects between proportional current output and Die temperature readout voltage. |
| 2-0 | S_ITRIP | R/W | 000b | ITRIP level configuration - refer ITRIP table |
Return to the User Register table.
| Bit | Field | Type | Reset | Description |
|---|---|---|---|---|
| 7-6 | TOFF | R/W | 01b | TOFF time used for ITRIP current regulation 00b = 20 µsec 01b = 30 µsec 10b = 40 µsec 11b = 50 µsec |
| 5 | EN_POB | R/W | 0b | Write 1b to enable powered off braking in sleep mode or when the bridge is disabled (Hi-Z). Else powered off braking is disabled. |
4 | TBLK | R/W | 0b | Blanking time configuration 0b = 2.4 µsec 1b = 3.4 µsec |
| 3-2 | SR | R/W | 00b | Slew Rate configuration 00b = 155V/µs 01b = 83V/µs 10b = 39V/µs 11b = 16V/µs |
| 1-0 | S_MODE | R/W | 00b | Device mode configuration - refer |
Return to the User Register table.
| Bit | Field | Type | Reset | Description |
|---|---|---|---|---|
7 | OTW_REP | R/W | 0b | 0b = Over temperature warning is not reported on nFAULT 1b = Over temperature warning is reported on nFAULT |
| 6 | TOCP | R/W | 1b | Filter time for over current detection configuration 0b = 1 µsec 1b = 2 µsec |
| 5 | OLA_FLTR | R/W | 0b | Selects OLA filter count. 0b = 16 count, 1b = 1024 count. |
| 4-3 | OCP_SEL | R/W | 00b | Threshold for over current detection configuration |
| 2 | DRV_SEL | R/W | 1b | DRVOFF pin - register logic combination, when SPI_IN is unlocked 0b = OR 1b = AND |
| 1 | ENIN1_SEL | R/W | 0b | EN/IN1 pin - register logic combination, when SPI_IN is unlocked 0b = OR 1b = AND |
| 0 | PHIN2_SEL | R/W | 0b | PH/IN2 pin - register logic combination, when SPI_IN is unlocked 0b = OR 1b = AND |
DRV8263A-Q1 additional configuration options. Return to the User Register table.
| Bit | Field | Type | Reset | Description |
|---|---|---|---|---|
|
7 |
PU1_EN | R/W | 0b | Manual Off-sate
diagnostics: High-side ROLP_PU enable, overrides pin controlled OLP based on
OLP_CMP_SEL = 00b configuration. Retains value until S_DRVOFFx for selected output
is set to 0. 0b = Disable 1b = Enable |
| 6 | PD1_EN | R/W | 0b | Manual Off-sate
diagnostics: Low-side ROLP_PD enable, overrides pin controlled OLP based on
OLP_CMP_SEL = 00b configuration. Retains value until S_DRVOFFx for selected output
is set to 0. 0b = Disable 1b = Enable |
| 5 | RHIZ1_DIS | R/W | 0b | Manual Off-sate
diagnostics: RHIZ1 disable, overrides pin controlled OLP based on OLP_CMP_SEL = 00b
configuration. 0b = Enable 1b = Disable |
| 4 | PU2_EN | R/W | 0b | Manual Off-sate
diagnostics: High-side ROLP_PU enable, overrides pin controlled OLP based on
OLP_CMP_SEL = 01b configuration. Retains value until S_DRVOFFx for selected output
is set to 0. 0b = Disable 1b = Enable |
| 3 | PD2_EN | R/W | 00b | Manual Off-sate
diagnostics: Low-side ROLP_PD enable, overrides pin controlled OLP based on
OLP_CMP_SEL = 01b configuration. Retains value until S_DRVOFFx for selected output
is set to 0. 0b = Disable 1b = Enable |
| 2 | RHIZ2_DIS | R/W | 0b | Manual Off-sate
diagnostics: RHIZ2 disable, overrides pin controlled OLP based on OLP_CMP_SEL = 01b
configuration. 0b = Enable 1b = Disable |
| 1 | M_OLP_EN | R/W | 0b | Manual Off-sate
diagnostics enable: overrides pin controlled OLP selection and is enabled for
selected output on OLP_CMP_SEL. 0b = Disable 1b = Enable |
| 0 | CMP_REF_SEL | R/W | 0b | Manual Off-sate
diagnostics: comparator reference select, overrides pin controlled OLP_CMP_SEL
selection and outputs result on OLP_CMP status bit. 0b = VOLP_REFL 1b = VOLP_REFH |