ZHCSE35 August 2015 DRV8305
PRODUCTION DATA.
| PIN | I/O | DESCRIPTION | ||
|---|---|---|---|---|
| NO. | NAME | |||
| 1 | EN_GATE | I | Enable gate | Enables the gate driver and current shunt amplifiers; internal pulldown |
| 2 | INHA | I | Bridge PWM input | PWM input signal for bridge A high-side |
| 3 | INLA | I | Bridge PWM input | PWM input signal for bridge A low-side |
| 4 | INHB | I | Bridge PWM input | PWM input signal for bridge B high-side |
| 5 | INLB | I | Bridge PWM input | PWM input signal for bridge B low-side |
| 6 | INHC | I | Bridge PWM input | PWM input signal for bridge C high-side |
| 7 | INLC | I | Bridge PWM input | PWM input signal for bridge C low-side |
| 8 | nFAULT | OD | Fault indicator | When low indicates a fault has occurred; open drain; external pullup to MCU power supply needed (1 kΩ to 10 kΩ) |
| 9 | nSCS | I | SPI chip select | Select/enable for SPI; active low |
| 10 | SDI | I | SPI input | SPI input signal |
| 11 | SDO | O | SPI output | SPI output signal; referred to VREG |
| 12 | SCLK | I | SPI clock | SPI clock signal |
| 13 | PWRGD | OD | Power Good | VREG and MCU watchdog fault indication; open drain; external pullup to MCU power supply needed (1 kΩ to 10 kΩ) |
| 14 | GND | P | Device ground | Must be connected to ground |
| 45 | ||||
| PPAD | ||||
| 15 | AVDD | P | Analog regulator | 5.0 V analog internal supply regulator; bypass to GND with a 6.3-V, 1-µF ceramic capacitor |
| 16 | SO1 | O | Current amplifier output | Output of current sense amplifier 1 |
| 17 | SO2 | O | Current amplifier output | Output of current sense amplifier 2 |
| 18 | SO3 | O | Current amplifier output | Output of current sense amplifier 3 |
| 19 | SN3 | I | Current amplifier negative input | Negative input of current sense amplifier 3 |
| 20 | SP3 | I | Current amplifier positive input | Positive input of current sense amplifier 3 |
| 21 | SN2 | I | Current amplifier negative input | Negative input of current sense amplifier 2 |
| 22 | SP2 | I | Current amplifier positive input | Positive input of current sense amplifier 2 |
| 23 | SN1 | I | Current amplifier negative input | Negative input of current sense amplifier 1 |
| 24 | SP1 | I | Current amplifier positive input | Positive input of current sense amplifier 1 |
| 25 | GLC | O | Low-side gate driver | Low-side gate driver output for half-bridge C |
| 26 | SLC | I | Low-side source connection | Low-side source connection for half-bridge C |
| 27 | SHC | I | High-side source connection | High-side source connection for half-bridge C |
| 28 | GHC | O | High-side gate driver | High-side gate driver output for half-bridge C |
| 29 | GHB | O | High-side gate driver | High-side gate driver output for half-bridge B |
| 30 | SHB | I | High-side source connection | High-side source connection for half-bridge B |
| 31 | SLB | I | Low-side source connection | Low-side source connection for half-bridge B |
| 32 | GLB | O | Low-side gate driver | Low-side gate driver output for half-bridge B |
| 33 | GLA | O | Low-side gate driver | Low-side gate driver output for half-bridge A |
| 34 | SLA | I | Low-side source connection | Low-side source connection for half-bridge A |
| 35 | SHA | I | High-side source connection | High-side source connection for half-bridge A |
| 36 | GHA | O | High-side gate driver | High-side gate driver output for half-bridge A |
| 37 | VCP_LSD | P | Low-side gate driver regulator | Internal voltage regulator for low-side gate driver; connect 1-µF capacitor to GND |
| 38 | VCPH | P | High-side gate driver regulator | Internal voltage regulator for high-side gate driver; connect 2.2-µF capacitor to PVDD |
| 39 | CP2H | P | Charge pump flying capacitor | Flying capacitor for charge pump; connect 0.047-µF capacitor between CP2H and CP2L |
| 40 | CP2L | P | ||
| COMPONENT | PIN 1 | PIN 2 | RECOMMENDED |
|---|---|---|---|
| CPVDD | PVDD | GND | 4.7-µF ceramic capacitor rated for 50 V |
| CAVDD | AVDD | GND | 1.0-µF ceramic capacitor rated for 6.3 V |
| CDVDD | DVDD | GND | 1.0-µF ceramic capacitor rated for 6.3 V |
| CVCPH | VCPH | PVDD | 2.2-µF ceramic capacitor rated for 16 V |
| CVCP_LSD | VCP_LSD | GND | 1.0-µF ceramic capacitor rated for 16 V |
| CCP1 | CP1H | CP1L | 0.047-µF ceramic capacitor rated for 16 V |
| CCP2 | CP2H | CP2L | 0.047-µF ceramic capacitor rated for 16 V |
| CVREG | VREG | GND | 1.0-µF ceramic capacitor rated for 6.3 V |
| RVDRAIN | VDRAIN | PVDD | 100-Ω series resistor |
| RnFAULT | nFAULT | VCC (1) | 1 to 10 kΩ pulled up the MCU power supply |