Datasheet > SGM41512A

SGM41512A

更新时间： 2023-09-03 20:34:41

品牌	Logo	应用领域
圣邦微 - SGMICRO		电池
页数	文件大小	规格书
44页	1708K
描述
I2C Controlled 3A Single-Cell Battery Charger with High Input Voltage Capability and Narrow Voltage DC (NVDC) Power Path Management

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SGM41512A 数据手册

SGM41512A

I²C Controlled 3A Single-Cell Battery Charger

with High Input Voltage Capability and Narrow

Voltage DC (NVDC) Power Path Management

● Fully Integrated All MOSFETs, Current Sense and

FEATURES

Compensation

● 3.9V to 13.5V Operating Input Voltage Range

● Up to 20V Sustainable Voltage

● 10μA Ship Mode Low Battery Leakage Current

● High Accuracy

● 14V Default Input Voltage OVP Threshold

● High Efficiency, 1.5MHz, Synchronous Buck Charger



±0.5% Charge Voltage Regulation

±5% Charge Current Regulation at 1.5A

±10% Input Current Regulation at 0.9A



93% Charge Efficiency at 1A from 5V Input

91% Charge Efficiency at 2A from 5V Input

Optimized for USB Voltage Input (5V)

● Safety



Battery Temperature Sensing (Charge/Boost Modes)

Selectable PFM Mode for Light Load Efficiency

Thermal Regulation and Thermal Shutdown

Input Under-Voltage Lockout (UVLO)

Input Over-Voltage (ACOV) Protection

● USB On-The-Go (OTG) Support (Boost Mode)



Boost Converter with up to 1.2A Output

Boost Efficiency of 93.5% at 0.5A and 92.2% at 1A

Accurate Hiccup Mode Over-Current Protection

Soft-Start Capable with up to 500μF Capacitive Load

Output Short Circuit Protection

APPLICATIONS

Smart Phones, EPOS

Portable Internet Devices and Accessory

Selectable PFM Mode for Light Load Operations

● Programmable Input Current Limit (IINDPM) and

Dynamic Power Management to Support USB

Standard Adapters

SIMPLIFIED SCHEMATIC

Input

3.9V to 13.5V

● Maximum Power Tracking by Programmable Input

Voltage Limit (VINDPM)

SYS 3.5V to 4.6V

VBUS

D+/D-

OTG

5V at 1.2A

USB

BTST

SYS

BAT

● Auto Detect USB BC1.2, SDP, CDP, DCP and

Non-Standard Adaptors

USB Detection

I²C Bus

I_CHG= 3A

nQON

● High Battery Discharge Efficiency with 28mΩ Switch

● Narrow Voltage DC (NVDC) Power Path Management

SGM41512A

Host

Optional

REGN



Instant-On with No or Highly Depleted Battery

Host Control

Ideal Diode Operation in Battery Supplement Mode

● Ship Mode, Wake-Up and Full System Reset Capability

by Battery FET Control

● Flexible Autonomous and I²C Operation Modes for

Optimal System Performance

SG Micro Corp

JUNE 2022 – REV. A. 1

www.sg-micro.com

12 3 4 5 6 7...44

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