The document is about LTC3675 power management chip. The chip is a highly integrated general-purpose power management solution for high power single cell lithium-ion/polymer systems. It features seven independent rails plus LED driver, with I2C control, flexible sequencing and fault monitoring in a compact 28mm2 QFN package.
The LTC3675 is a highly integrated general-purpose power management solution designed for high-power single-cell Lithium-ion or Polymer battery systems. The device features seven independent output rails plus an LED driver, offering PC control, flexible sequencing, and fault monitoring within a compact 28-pin QFN package.
Key capabilities include four monolithic synchronous buck DC/DC converters (500mA each), which can be paralleled to deliver up to 2x current with a single inductor. It also includes independent 1A buck-boost and 1A boost regulators, an always-on 25mA LDO, and a dual-string PC-controlled LED driver.
| Channels | Seven independent rails plus LED driver |
|---|---|
| Input Voltage System | Single cell Lithium-ion/Polymer |
| Buck Converters Count | Four (500mA x2, 1A x2) |
| Boost Converter Max Current | Up to 1A |
| Buck-Boost Converter Max Current | Up to 1A |
| LDO Output Current | 25mA |
| Package Type | 4-Lead QFN (Thermally Enhanced) |
| Power Output Range | 6W to 10W |
The LTC3675 is a highly integrated general-purpose power management solution for high power single cell Lithium-ion/Polymer systems.
The device features seven independent rails plus an LED driver.