ZHCSCK8H May 2014 – April 2025 LP8860-Q1
PRODUCTION DATA
| PIN | TYPE(1) | DESCRIPTION | |
|---|---|---|---|
| NUM | NAME | ||
| 1 | C1P | A | Positive pin for charge pump flying capacitor. If feature is disabled, the pin may be left floating. |
| 2 | C1N | A | Negative pin for charge pump flying capacitor. If feature is disabled, the pin may be left floating. |
| 3 | VDD | P | Input voltage pin for internal circuit. |
| 4 | SQW | A | Square wave output. Can be used for generating extra voltage rail. If unused, the pin may be left floating. |
| 5 | VSENSE_N | A | Pin for input current sense. |
| 6 | VSENSE_P | A | Pin for OVP/UVLO protection and input current sense. |
| 7 | ISET | A | Optional resistor for setting LED maximum current. If feature is disabled, the pin may be left floating. |
| 8 | TSENSE | A | External temperature sensor for LED current control. If feature is disabled, the pin may be left floating. |
| 9 | FILTER | A | Low pass filter for PLL. If feature is disabled, the pin may be left floating. |
| 10 | SGND | G | Signal ground. |
| 11 | FAULT | OD | Fault signal output. If unused, the pin may be left floating. |
| 12 | SYNC | I | Input for synchronizing boost. This pin must be connected to GND if not used. |
| 13 | VSYNC | I | Input for synchronizing PWM generation to display refresh. This pin must be connected to GND if feature is disabled. |
| 14 | MISO | O | Slave data output (SPI). If unused, the pin may be left floating. |
| 15 | MOSI/SDA | I/O | Slave data input (SPI) or serial data (I2C). This pin must be connected to GND if not used. |
| 16 | SCLK/SCL | I | Serial clock for SPI or I2C. This pin must be connected to GND if not used. |
| 17 | NSS | I | Slave select (SPI mode) or fault reset (I2C or standalone mode). This pin must be connected to GND if not used. |
| 18 | PWM | I | PWM dimming input. This pin must be connected to GND if feature is disabled. |
| 19 | VDDIO/EN | I | Enable input pin and reference voltage for digital pins. |
| 20 | IF | I | Interface selection: low – I2C or standalone mode; high – SPI. |
| 21 | OUT4 | A | LED current sink output. If unused, the pin may be left floating. |
| 22 | OUT3 | A | LED current sink output. If unused, the pin may be left floating. |
| 23 | LGND | G | LED current ground. |
| 24 | OUT2 | A | LED current sink output. If unused, the pin may be left floating. |
| 25 | OUT1 | A | LED current sink output. If unused, the pin may be left floating. |
| 26 | FB | A | Boost feedback input. |
| 27 | ISENSE_GND | A | Boost controller’s current sense resistor GND. |
| 28 | ISENSE | A | Boost current sense pin. |
| 29 | PGND | G | Power ground. |
| 30 | GD | A | Gate driver output for boost FET. |
| 31 | CPUMP | P | Charge pump output pin. |
| 32 | SD | A | Power line FET control. If unused, the pin may be left floating. |