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SY5881 樣品申請
概述

The SY5881 is a power management IC (PMIC) designed for notebook, desktop, and embedded computing platforms. 
There are four DCDC converters and two linear regulators integrated into the SY5881, 
which can minimize the need for external components so that it can ease the layout in a constrained PCB area. 
The DCDC converters are of high accuracy, high efficiency, and high flexibility. Two LDOs provide power rails for peripherals and pull-up resistors.
The SY5881 provides protection for a device when a fault occurs, such as overcurrent, output overvoltage, output undervoltage, short circuit, input overvoltage, and over temperature.
The SY5881 is a halogen- and lead-free device, compliant with RoHS. The package is WLCSP-36 2.4x2.4 .

產(chǎn)品特性

AVIN input supply range: 2.7V to 3.7V

Four buck regulators: BUCK1,output range 1.7V ~ 2.9V; BUCK2,output range 0.9V ~ 2.0V; BUCK3,output range 0.5V ~ 1.3V; BUCK4,output range 0.675V ~ 2.0V

2 linear regulators: LDO1, 1V ~ 2.7V, 50mV/Step, 0.4A; LDO2, 1V ~ 2.7V, 50mV/Step, 0.4A

2 external converters

DCDC voltage accuracy: ±1% FB Voltage

PWM frequency adjustable：1Mhz~3Mhz，step 500Khz

BUCK1 can be set as load switch

BUCK4 can be set as linear regulator

LDO1/LDO2 can be set as load switch

Configurable Soft-start Time for All output

Configurable power on sequence

Configurable sleep and wake-up sequence

I2C Interface 400kHz/1MHz/3.4MHz

Built-in AVIN OV/UV warning indication and fault protection

Built-in VOUT OVP/UVP/OCL

Built-in Overd Temperature Protection

Built-in EFUSE for configurable default value of registers

8 multifunctional IOs

產(chǎn)品參考應(yīng)用圖
應(yīng)用

Solid-state drive

Video system