ZHCSIX2 October 2018 TPS65216
PRODUCTION DATA.
| PIN | TYPE | DESCRIPTION | |
|---|---|---|---|
| NO. | NAME | ||
| 1 | IN_DCDC1 | P | Input supply pin for DCDC1. |
| 2 | SDA | I/O | Data line for the I2C interface. Connect to pullup resistor. |
| 3 | SCL | I | Clock input for the I2C interface. Connect to pullup resistor. |
| 4 | LDO1 | O | Output voltage pin for LDO1. Connect to capacitor. |
| 5 | IN_LDO1 | P | Input supply pin for LDO1. |
| 6 | IN_LS | P | Input supply pin for the load switch. |
| 7 | LS | O | Output voltage pin for the load switch. Connect to capacitor. |
| 8 | PGOOD | O | Power-good output (configured as open drain). Pulled low when either DCDC1-4 or LDO1 are out of regulation. Load switch does not affect PGOOD pin. |
| 9 | AC_DET | I | AC monitor input and enable for DCDC1-4, LDO1 and load switch. See Section 4.4.1 for details. Tie pin to IN_BIAS if not used. |
| 10 | nPFO | O | Power-fail comparator output, deglitched (open drain). Pin is pulled low when PFI input is below power-fail threshold. |
| 11 | GPIO1 | I/O | General-purpose, open-drain output. See Section 4.3.1.11 for more information. |
| 12 | IN_DCDC4 | P | Input supply pin for DCDC4. |
| 13 | L4A | P | Switch pin for DCDC4. Connect to inductor. |
| 14 | L4B | P | Switch pin for DCDC4. Connect to inductor. |
| 15 | DCDC4 | P | Output voltage pin for DCDC4. Connect to capacitor. |
| 16 | PFI | I | Power-fail comparator input. Connect to resistor divider. |
| 17 | DC34_SEL | I | Power-up default selection pin for DCDC3 or DCDC4. Power-up default is programmed by a resistor connected to ground. See Section 4.3.1.10 for resistor options. |
| 18 | N/C | – | No connect. Leave pin floating. |
| 19 | N/C | – | No connect. Leave pin floating. |
| 20 | GND | — | Connect pin to ground. |
| 21 | GND | ||
| 22 | GND | ||
| 23 | GND | ||
| 24 | GND | ||
| 25 | GND | ||
| 26 | GPIO2 | I/O | Pin can be configured as warm reset (negative edge) for DCDC1/2 or as a general-purpose, open-drain output. See Section 4.3.1.11 for more details. |
| 27 | GND | – | Connect pin to ground. |
| 28 | N/C | — | No connect. Leave pin floating. |
| 29 | N/C | ||
| 30 | GND | — | Connect pin to ground. |
| 31 | GND | ||
| 32 | GND | ||
| 33 | GND | ||
| 34 | N/C | – | No connect. Leave pin floating. |
| 35 | INT_LDO | P | Internal bias voltage. Connect to a 1-μF capacitor. TI does not recommended connecting any external load to this pin. |
| 36 | IN_BIAS | P | Input supply pin for reference system. |
| 37 | IN_DCDC3 | P | Input supply pin for DCDC3. |
| 38 | L3 | P | Switch pin for DCDC3. Connect to inductor. |
| 39 | FB3 | I | Feedback voltage pin for DCDC3. Connect to output capacitor. |
| 40 | nWAKEUP | O | Signal to SOC to indicate a power on event (active low, open-drain output). |
| 41 | FB2 | I | Feedback voltage pin for DCDC2. Connect to output capacitor. |
| 42 | L2 | P | Switch pin for DCDC2. Connect to inductor. |
| 43 | IN_DCDC2 | P | Input supply pin for DCDC2. |
| 44 | PB | I | Push-button monitor input. Typically connected to a momentary switch to ground (active low). See Section 4.4.1 for details. |
| 45 | nINT | O | Interrupt output (active low, open drain). Pin is pulled low if an interrupt bit is set. The pin returns to Hi-Z state after the bit causing the interrupt has been read. Interrupts can be masked. |
| 46 | PWR_EN | I | Power enable input for DCDC1-4, LDO1 and load switch. See Section 4.4.1 for details. |
| 47 | FB1 | I | Feedback voltage pin for DCDC1. Connect to output capacitor. |
| 48 | L1 | P | Switch pin for DCDC1. Connect to inductor. |
| — | Thermal Pad | P | Power ground and thermal relief. Connect to ground plane. |