ZHCSMX0B September 2019 – December 2020 TPA6304-Q1
PRODUCTION DATA
Figure 5-1 DDV Package, 44-Pin HTSSOP, Top
View| PIN | TYPE(1) | DESCRIPTION | |
|---|---|---|---|
| NAME | NO. | ||
| AVDD | 6 | PWR | Voltage regulator bypass, derived from VBAT input pins. Connect 1 μF capacitor from AVDD (pin 6) to AVDD_RET (pin 7). |
| AVDD_RET | 7 | GND | AVDD voltage regulator return. Connect to ground. |
| BST_1M | 23 | PWR | Bootstrap capacitor connection pins for high-side gate driver |
| BST_1P | 27 | PWR | Bootstrap capacitor connection pins for high-side gate driver |
| BST_2M | 28 | PWR | Bootstrap capacitor connection pins for high-side gate driver |
| BST_2P | 32 | PWR | Bootstrap capacitor connection pins for high-side gate driver |
| BST_3M | 35 | PWR | Bootstrap capacitor connection pins for high-side gate driver |
| BST_3P | 39 | PWR | Bootstrap capacitor connection pins for high-side gate driver |
| BST_4M | 40 | PWR | Bootstrap capacitor connection pins for high-side gate driver |
| BST_4P | 44 | PWR | Bootstrap capacitor connection pins for high-side gate driver |
| DVDD | 14 | PWR | DVDD supply input. Connect 1 μF capacitor from DVDD to DVSS (pin 13). |
| DVSS | 13 | GND | DVDD ground reference. Connect to ground. |
| FAULT | 18 | DI/O | Reports a fault (active low, open drain), external pullup resistor determines I2C address during power on reset. |
| GND | 21, 25, 30, 37, 42 | GND | Ground |
| GPIO1 | 19 | DI/O | General purpose IO, function set by register programming. |
| GPIO2 | 20 | DI/O | General purpose IO, function set by register programming. |
| GVDD | 5 | PWR | Gate drive voltage regulator bypass for all output channels, derived from VBAT input pins. Connect 2.2μF capacitor to GVDD_RET (pin 4). |
| GVDD_RET | 4 | GND | Gate drive voltage regulator return. Connect to ground. |
| IN_1 | 12 | AI | Non-inverting input channel. Internally biased to AVDD/2. Connect to AC coupling capacitor. |
| IN_2 | 11 | AI | Non-inverting input channel. Internally biased to AVDD/2. Connect to AC coupling capacitor. |
| IN_3 | 10 | AI | Non-inverting input channel. Internally biased to AVDD/2. Connect to AC coupling capacitor. |
| IN_4 | 9 | AI | Non-inverting input channel. Internally biased to AVDD/2. Connect to AC coupling capacitor. |
| IN_REF | 8 | AI | Reference input voltage for IN_1, IN_2, IN_3, IN_4. Internally biased to AVDD/2. Connect to AC coupling capacitor. |
| OUT_1M | 24 | NO | Negative output for the channel |
| OUT_1P | 26 | PO | Positive output for the channel |
| OUT_2M | 29 | NO | Negative output for the channel |
| OUT_2P | 31 | PO | Positive output for the channel |
| OUT_3M | 36 | NO | Negative output for the channel |
| OUT_3P | 38 | PO | Positive output for the channel |
| OUT_4M | 41 | NO | Negative output for the channel |
| OUT_4P | 43 | PO | Positive output for the channel |
| PVDD | 1, 22, 33, 34 | PWR | PVDD voltage input carrying load currents (can be connected to battery). |
| PVDDQ | 2 | PWR | PVDD voltage input not loaded with load currents (can be connected to battery). |
| SCL | 15 | DI | I2C clock input |
| SDA | 16 | DI/O | I2C data input and output |
| STANDBY | 17 | DI | Enables low power standby state (active Low), 100-kΩ internal pulldown resistor. |
| VBAT | 3 | PWR | Battery voltage input |
| Thermal Pad | — | GND | Provides thermal connection for the device. Heatsink must be connected to GND. |