Datasheet > MAX14720AEWA+T

MAX14720AEWA+T

更新时间： 2024-10-03 20:54:55

品牌	Logo	应用领域
美信 - MAXIM		信息通信管理
页数	文件大小	规格书
39页	703K
描述
Power Supply Support Circuit,

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技术参数
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MAX14720AEWA+T 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	WLP-25	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
Factory Lead Time：	18 weeks	风险等级：	5.67
可调阈值：	YES	模拟集成电路 - 其他类型：	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：	R-PBGA-B25	长度：	2.227 mm
信道数量：	4	功能数量：	1
端子数量：	25	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	VFBGA	封装形状：	RECTANGULAR
封装形式：	GRID ARRAY, VERY THIN PROFILE, FINE PITCH	峰值回流温度（摄氏度）：	260
座面最大高度：	0.69 mm	最大供电电压 (Vsup)：	5.5 V
最小供电电压 (Vsup)：	1.8 V	标称供电电压 (Vsup)：	2.7 V
表面贴装：	YES	技术：	BICMOS
温度等级：	INDUSTRIAL	端子形式：	BALL
端子节距：	0.4 mm	端子位置：	BOTTOM
处于峰值回流温度下的最长时间：	30	宽度：	2.107 mm
Base Number Matches：	1

MAX14720AEWA+T 数据手册

MAX14720/MAX14750

Power-Management Solution

General Description

Beneﬁts and Features

● Extended System Battery Use Time

The MAX14720/MAX14750 are compact power-management

solutions for space-constrained, battery-powered applications

where size and efficiency are critical. Both devices integrate

a power switch, a linear regulator, a buck regulator, and a

buck-boost regulator.

• Micro-I 250mW Buck-Boost Regulator

• Input Voltage from 1.8V to 5.5V

• Output Voltage Programmable from 2.5V to 5V

• 1.1µA Quiescent Current

• Programmable Current Limit

• Micro-I 200mA Buck Regulator

The MAX14720 is designed to be the primary power-

management device and is ideal for either non-rechargeable

battery (coin-cell, dual alkaline) applications or for

rechargeable solutions where the battery is removable

and charged separately. The device includes a button

monitor and sequencer.

• Input Voltage from 1.8V to 5.5V

• Output Voltage Programmable from 1.0V to 2.0V

• 0.9µA Quiescent Current

• Micro-I 100mA LDO

• Input Voltage From 1.71V to 5.5V

• Output Programmable From 0.9V to 4.0V

• 0. 9µA Quiescent Current

The MAX14750 works well as a companion to a charger

or PMIC in rechargeable applications. It provides direct

pin control of each function and allows greater flexibility

for controlling sequencing.

• Conﬁgurable as Load Switch

● Extend Product Shelf-Life

• Battery Seal Mode (MAX14720)

• 120nA Battery Current

The devices include two programmable micro-I , high-

efficiency switching converters: a buck-boost regulator

and a synchronous buck regulator. These regulators

feature a burst mode for increased efficiency during light-

load operation.

• Power Switch On-Resistance

• 250mΩ (max) at 2.7V

• 500mΩ (max) at 1.8V

• Battery Impedance Detector

The low-dropout linear regulator has a programmable

output. It can also operate as a power switch that can

disconnect the quiescent load of system peripherals.

● Easy-to-Implement System Control

• Conﬁgurable Power Mode and Reset Behavior

(MAX14720)

The devices also include a power switch with battery-

monitoring capability. The switch can isolate the battery

from all system loads to maximize battery life when not

operating. It is also used to isolate the battery-impedance

measurements. This switch can operate as a general-

purpose load switch as well.

• Push-Button Monitoring to Enable Ultra-Low

Power Shipping Mode

• Disconnects All Loads From Battery and

Reduces Leakage to Less than 1µA

• Power-On Reset (POR) Delay and Voltage

Sequencing

The MAX14720 includes a programmable power controller

that allows the device to be configured either for use in

applications that require a true off state or for always-on

applications. This controller provides a delayed reset signal,

voltage sequencing, and customized button timing for on/off

control and recovery hard reset.

• Individual Enable Pins (MAX14750)

• Voltage Monitor Multiplexer

• I C Control Interface

Applications

● Wearable Medical Devices

● Wearable Fitness Devices

● Portable Medical Devices

Both devices also include a multiplexer for monitoring the

power inputs and outputs of each function.

These devices are available in a 25-bump, 0.4mm pitch,

2.26mm x 2.14mm wafer-level package (WLP) and operate

over the -40°C to +85°C extended temperature range.

Ordering Information appears at end of data sheet.

19-7685; Rev 6; 10/17

12 3 4 5 6 7...39

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