SFFSB56 February   2026 DRV81080-Q1 , DRV81242-Q1 , DRV81602-Q1 , DRV81620-Q1

 

  1.   1
  2.   Trademarks
  3. 1Overview
  4. 2Functional Safety Failure In Time (FIT) Rates
  5. 3Failure Mode Distribution (FMD)
  6. 4Pin Failure Mode Analysis (Pin FMA)
    1. 4.1 DRV81602-Q1 Pin FMA
    2. 4.2 DRV81242-Q1 Pin FMA
    3. 4.3 DRV81620-Q1 Pin FMA
    4. 4.4 DRV81080-Q1 Pin FMA
  7. 5Revision History

4.2 DRV81242-Q1 Pin FMA

Figure 4-1 shows the DRV81242-Q1 pin diagram for the 24-pin HTSSOP (PWP) package. For a detailed description of the device pins, see the Pin Configuration and Functions section in the DRV81242-Q1 datasheet.

DRV81602-Q1 DRV81242-Q1 DRV81620-Q1 DRV81808-Q1 DRV81242-Q1 Pin Diagram Figure 4-2 DRV81242-Q1 Pin Diagram
Table 4-6 Pin FMA for Device Pins Short-Circuited to Ground
Pin Name Pin No. Description of Potential Failure Effects Failure Effect Class
nSCS 1 SPI communication is not functional. B
SCLK 2 SPI communication is not functional. B
SDI 3 SPI communication is not functional. B
SDO 4 SPI communication is not functional. B
GND 5 The device operates as intended. D
OUT0_LS 6 There is a loss of load control. B
OUT2_D 7 There is a loss of load control. B
OUT2_S 8 There is a loss of load control. B
VM_HS 9 The voltage monitor indicates an undervoltage warning for the supply functions. B
OUT4_HS 10 There is a loss of load control. B
OUT6_HS 11 There is a loss of load control. B
NC 12 There is no impact to the functions of the device. D
NC 13 There is no impact to the functions of the device. D
OUT7_HS 14 There is a loss of load control. B
OUT5_HS 15 There is a loss of load control. B
VM_HS 16 The voltage monitor indicates an undervoltage warning for the supply functions. B
OUT3_S 17 There is a loss of load control. B
OUT3_D 18 There is a loss of load control. B
OUT1_LS 19 There is a loss of load control. B
VM 20 The voltage monitor indicates an undervoltage warning for the supply functions. B
nSLEEP 21 SPI communication is not functional. B
IN1 22 There is a loss of load control. B
IN0 23 There is a loss of load control. B
VDD 24 SPI communication is not functional. B
Table 4-7 Pin FMA for Device Pins Open-Circuited
Pin Name Pin No. Description of Potential Failure Effects Failure Effect Class
nSCS 1 SPI communication is not functional. B
SCLK 2 SPI communication is not functional. B
SDI 3 SPI communication is not functional. B
SDO 4 SPI communication is not functional. B
GND 5 There is a loss of load control. B
OUT0_LS 6 There is a loss of load control. B
OUT2_D 7 There is a loss of load control. B
OUT2_S 8 There is a loss of load control. B
VM_HS 9 There is a loss of load control. B
OUT4_HS 10 There is a loss of load control. B
OUT6_HS 11 There is a loss of load control. B
NC 12 There is no impact to the functions of the device. D
NC 13 There is no impact to the functions of the device. D
OUT7_HS 14 There is a loss of load control. B
OUT5_HS 15 There is a loss of load control. B
VM_HS 16 There is a loss of load control. B
OUT3_S 17 There is a loss of load control. B
OUT3_D 18 There is a loss of load control. B
OUT1_LS 19 There is a loss of load control. B
VM 20 The voltage monitor indicates an undervoltage warning for the supply functions. B
nSLEEP 21 SPI communication is not functional. B
IN1 22 There is a loss of load control. B
IN0 23 There is a loss of load control. B
VDD 24 SPI communication is not functional. B
Table 4-8 Pin FMA for Device Pins Short-Circuited to Adjacent Pin
Pin Name Pin No. Shorted to Pin No. Description of Potential Failure Effects Failure Effect Class
nSCS 1 2 SPI communication is not functional. B
SCLK 2 3 SPI communication is not functional. B
SDI 3 4 SPI communication is not functional. B
SDO 4 5 SPI communication is not functional. B
GND 5 6 There is a loss of load control. B
OUT0_LS 6 7 There is a loss of load control. B
OUT2_D 7 8 There is a loss of load control. B
OUT2_S 8 9 There is a loss of load control. B
VM_HS 9 10 There is a loss of load control. B
OUT4_HS 10 11 There is a loss of load control. B
OUT6_HS 11 12 There is no impact to the functions of the device. D
NC 12 13 There is no impact to the functions of the device. D
NC 13 14 There is no impact to the functions of the device. D
OUT7_HS 14 15 There is a loss of load control. B
OUT5_HS 15 16 There is a loss of load control. B
VM_HS 16 17 There is a loss of load control. The voltage monitor indicates an undervoltage warning for the supply functions. B
OUT3_S 17 18 There is a loss of load control. B
OUT3_D 18 19 There is a loss of load control. B
OUT1_LS 19 20 There is a loss of load control. B
VM 20 21 False faults are potentially detected on the VM pin. B
nSLEEP 21 22 There is a loss of load control. B
IN1 22 23 There is a loss of load control. B
IN0 23 24 There is a loss of load control. B
VDD 24 1 SPI communication is not functional. B
Table 4-9 Pin FMA for Device Pins Short-Circuited to Supply
Pin Name Pin No. Description of Potential Failure Effects Failure Effect Class
nSCS 1 The maximum voltage of the low voltage pin is violated. A
SCLK 2 The maximum voltage of the low voltage pin is violated. A
SDI 3 The maximum voltage of the low voltage pin is violated. A
SDO 4 The maximum voltage of the low voltage pin is violated. A
GND 5 The voltage monitor indicates an undervoltage warning for the supply functions. B
OUT0_LS 6 There is a loss of load control. B
OUT2_D 7 There is a loss of load control. B
OUT2_S 8 There is a loss of load control. B
VM_HS 9 The device operates as intended. D
OUT4_HS 10 There is a loss of load control. B
OUT6_HS 11 There is a loss of load control. B
NC 12 There is no impact to the functions of the device. D
NC 13 There is no impact to the functions of the device. D
OUT7_HS 14 There is a loss of load control. B
OUT5_HS 15 There is a loss of load control. B
VM_HS 16 There is a loss of load control. B
OUT3_S 17 There is a loss of load control. B
OUT3_D 18 There is a loss of load control. B
OUT1_LS 19 There is a loss of load control. B
VM 20 The device operates as intended. D
nSLEEP 21 There is no impact to the functions of the device. D
IN1 22 The maximum voltage of the low voltage pin is violated. A
IN0 23 The maximum voltage of the low voltage pin is violated. A
VDD 24 The maximum voltage of the low voltage pin is violated. A