Datasheet > MAX20303

MAX20303

更新时间： 2023-12-20 18:45:23

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
151页	3102K
描述
可穿戴设备电源管理方案

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中文翻译

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数据手册

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MAX20303 数据手册

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MAX20303

PMIC with Ultra Low I Voltage Regulators,

Battery Charger and Fuel Gauge

for Small Lithium Ion Systems

General Description

Beneﬁts and Features

● Extend Battery Use Time Between Battery Charging

The MAX20303 is a highly integrated and programmable

power management solution designed for ultra-low-power

wearable applications. It is optimized for size and efficiency

to enhance the value of the end product by extending battery

life and shrinking the overall solution size. A flexible set

of power-optimized voltage regulators, including multiple

bucks, boost, buck-boost, and linear regulators, provides

a high level of integration and the ability to create a fully

optimized power architecture. The quiescent current of

each regulator is specifically suited for 1µA (typ) to extend

battery life in always-on applications.

• 2 x Micro-I Buck Regulators (<1µA I (typ) Each)

• 220mA Output

• Buck1: 0.8V to 2.375V in 25mV Steps

• Buck2: 0.8V to 3.95V in 50mV Steps

• Micro-I LV LDO/Load Switch (1µA I (typ))

• 1.16V to 2.0V Input Voltage

• 50mA Output

• 0.5V to 1.95V Output, 25mV Steps

• Micro-I LDO/Load Switch (1µA I (typ))

• 1.71V to 5.5V Input Voltage

• 100mA Output

• 0.9V to 4V, 100mV Steps

The MAX20303 includes a complete battery management

solution with battery seal, charger, power path, and fuel

gauge. Both thermal management and input protection

are built into the charger.

• Micro-I Buck-Boost Regulator (1.3µA I (typ))

• 250mW Output

• 2.5V to 5V in 100mV Steps

● Easy-to-Implement Li+ Battery Charging

The device also includes a factory programmable button

controller with multiple inputs that are customizable to fit

specific product UX requirements.

• Wide Fast Charge Current Range: 5mA to 500mA

• Smart Power Selector

• 28V/-5.5V Tolerant Input

Three integrated LED current sinks are included for indicator

or backlighting functions, and an ERM/LRA driver with

automatic resonance tracking is capable of providing

sophisticated haptic feedback to the user.

• Programmable JEITA Current/Voltage Proﬁles

● Minimize Solution Footprint Through High Integration

• Safe Output LDO

• 15mA When CHGIN Present

• 5V or 3.3V

• Haptic Driver

The device is configurable through an I C interface that

allows for programming various functions and reading

device status, including the ability to read temperature

and supply voltages with the integrated ADC.

• ERM/LRA Driver with Quick Start And Breaking

• Automatic Resonance Tracking (LRA only)

This device is available in a 56-bump, 0.5mm pitch

3.71mm x 4.21mm, wafer-level package (WLP) and

operates over the -40°C to +85°C extended temperature

range.

● Support Wide Variety of Display Options

• Micro-I Boost Regulator (2.4µA I (typ))

• 300mW Output

• 5V to 20V in 250mV Step

• 3 Channel Current Sinks

• 20V Tolerant

Applications

● Wearable Devices

● IoT

• Programmable from 0.6 to 30mA

● Optimize System Control

• Power-On/Reset Controller

Ordering Information appears at end of data sheet.

• Programmable Push-Button Controller

• Programmable Supply Sequencing

• Factory Shelf Mode

• On-Chip Voltage Monitor Multiplexer and Analog-

to-Digital Converter (ADC)

19-8738; Rev 11; 11/20

12 3 4 5 6 7...151

中文翻译

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