This is a 7-channel power management IC, model number RN5T564, with multiple functional characteristics, including LDO, DCDC, CPU interface, etc., please refer to the attached document for details
The RN5T564 is a 7-channel power management IC designed for GPS applications. It integrates two high-efficiency synchronous step-down DC/DC converters and five low-dropout regulators (LDOs) to manage power for core and memory circuits. The device features an I2C interface for voltage setting and control, along with protection circuits including thermal shutdown and short-circuit protection.
| Number of Channels | 7-channel |
|---|---|
| Application | GPS |
| DC/DC1 Output Voltage | 0.9 to 1.6V |
| DC/DC1 Output Current | 500mA |
| DC/DC2 Output Voltage | 0.9 to 3.3V |
| DC/DC2 Output Current | 500mA |
| LDO1,2,3 Output Voltage | 1.2 to 3.3V |
| LDO4,5 Output Voltage | 1.2 to 3.3V |
| LDO4,5 Output Current | 300mA |
| I2C Bus Speed | Max 400kHz |
| I2C Address | 64h |
| Package Type | 28pin Thin QFN |
| Package Body Size | 4x4x0.8mm |
The I2C address for the RN5T564 is 64h.
Both DC/DC1 and DC/DC2 can provide a maximum output current of 500mA.
The RN5T564 is available in a 28-pin Thin QFN package.