SLOS846C September 2013 – December 2016 DRV8303
PRODUCTION DATA.
PIN | I/O | DESCRIPTION | |
---|---|---|---|
NO. | NAME | ||
1 | nOCTW | O | Overcurrent and overtemperature warning indicator. This output is open drain with external pullup resistor required. Programmable output mode through SPI registers. |
2 | nFAULT | O | Fault report indicator. This output is open drain with external pullup resistor required. |
3 | DTC | I | Dead-time adjustment with external resistor to GND |
4 | nSCS | I | SPI chip select |
5 | SDI | I | SPI input |
6 | SDO | O | SPI output |
7 | SCLK | I | SPI clock signal |
8 | DC_CAL | I | When DC_CAL is high, device shorts inputs of shunt amplifiers and disconnects loads. DC offset calibration can be done through external microcontroller. |
9 | GVDD | P | Internal gate driver voltage regulator. GVDD cap should connect to GND |
10 | CP1 | P | Charge pump pin 1, ceramic cap should be used between CP1 and CP2 |
11 | CP2 | P | Charge pump pin 2, ceramic cap should be used between CP1 and CP2 |
12 | EN_GATE | I | Enable gate driver and current shunt amplifiers. |
13 | INH_A | I | PWM Input signal (high side), half-bridge A |
14 | INL_A | I | PWM Input signal (low side), half-bridge A |
15 | INH_B | I | PWM Input signal (high side), half-bridge B |
16 | INL_B | I | PWM Input signal (low side), half-bridge B |
17 | INH_C | I | PWM Input signal (high side), half-bridge C |
18 | INL_C | I | PWM Input signal (low side), half-bridge C |
19 | DVDD | P | Internal 3.3-V supply voltage. DVDD cap should connect to AGND. This is an output, but not specified to drive external circuitry. |
20 | REF | I | Reference voltage to set output of shunt amplifiers with a bias voltage which equals to half of the voltage set on this pin. Connect to ADC reference in microcontroller. |
21 | SO1 | O | Output of current amplifier 1 |
22 | SO2 | O | Output of current amplifier 2 |
23 | AVDD | P | Internal 6-V supply voltage, AVDD capacitor should always be installed and connected to AGND. This is an output, but not specified to drive external circuitry. |
24 | AGND | P | Analog ground pin |
25 | PVDD | P | Power supply pin for gate driver, current shunt amplifier, and SPI communication. PVDD cap should connect to GND |
26 | SP2 | I | Input of current amplifier 2 (connecting to positive input of amplifier). Recommend to connect to ground side of the sense resistor for the best common mode rejection. |
27 | SN2 | I | Input of current amplifier 2 (connecting to negative input of amplifier). |
28 | SP1 | I | Input of current amplifier 1 (connecting to positive input of amplifier). Recommend to connect to ground side of the sense resistor for the best common mode rejection. |
29 | SN1 | I | Input of current amplifier 1 (connecting to negative input of amplifier). |
30 | SL_C | I | Low-Side MOSFET source connection, half-bridge C. Low-side VDS measured between this pin and SH_C. |
31 | GL_C | O | Gate drive output for Low-Side MOSFET, half-bridge C |
32 | SH_C | I | High-Side MOSFET source connection, half-bridge C. High-side VDS measured between this pin and PVDD. |
33 | GH_C | O | Gate drive output for High-Side MOSFET, half-bridge C |
34 | BST_C | P | Bootstrap capacitor pin for half-bridge C |
35 | SL_B | I | Low-Side MOSFET source connection, half-bridge B. Low-side VDS measured between this pin and SH_B. |
36 | GL_B | O | Gate drive output for Low-Side MOSFET, half-bridge B |
37 | SH_B | I | High-Side MOSFET source connection, half-bridge B. High-side VDS measured between this pin and PVDD. |
38 | GH_B | O | Gate drive output for High-Side MOSFET, half-bridge B |
39 | BST_B | P | Bootstrap cap pin for half-bridge B |
40 | SL_A | I | Low-Side MOSFET source connection, half-bridge A. Low-side VDS measured between this pin and SH_A. |
41 | GL_A | O | Gate drive output for Low-Side MOSFET, half-bridge A |
42 | SH_A | I | High-Side MOSFET source connection, half-bridge A. High-side VDS measured between this pin and PVDD. |
43 | GH_A | O | Gate drive output for High-Side MOSFET, half-bridge A |
44 | BST_A | P | Bootstrap capacitor pin for half-bridge A |
45 | VDD_SPI | I | SPI supply pin to support 3.3V or 5V logic. Connect to either 3.3V or 5V. |
469 | GND | O | GND pin. The exposed power pad must be electrically connected to ground plane through soldering to PCB for proper operation and connected to bottom side of PCB through vias for better thermal spreading. |
47 | |||
48 | |||
49 | GND (PWR_PAD) |