Analog Devices / Maxim Integrated MAX14720 和 MAX14750 电源管理解决方案
Maxim Integrated MAX14720 和 MAX14750 电源管理解决方案集成了一个电源开关、一个线性稳压器、一个降压调节器和一个降压-升压稳压器。 MAX14720 和 MAX14750 非常适合用于尺寸和效率都至关重要的空间受限、电池供电应用。 MAX14720 设计为原边电源管理器件。 MAX14720 非常适合用于非充电电池（纽扣、双碱性）应用，或者用于可充电解决方案。 MAX14750 可作为可充电应用中充电器或 PMIC 的一个绝佳搭配。 MAX14750 为每项功能提供直接引脚控制，以实现更灵活的顺序控制。
The Analog Devices MAX14720 and MAX14750 Power-Management Solutions 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.
特性
- Extended System Battery Use Time
- Micro-IQ 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-IQ 200mA Buck Regulator
- Input Voltage from 1.8V to 5.5V
- Output Voltage Programmable from 1.0V to 2.0V
- 0.9µA Quiescent Current
- Micro-IQ 100mA LDO
- Input Voltage From 1.71V to 5.5V
- Output Programmable From 0.9V to 4.0V
- 0. 9µA Quiescent Current
- Configurable as Load Switch
- Micro-IQ 250mW Buck-Boost Regulator
- Extended Product Shelf-Life
- Battery Seal Mode (MAX14720)
- 120nA Battery Current
- Power Switch On-Resistance
- 250mΩ (max) at 2.7V
- 500mΩ (max) at 1.8V
- Battery Impedance Detector
- Battery Seal Mode (MAX14720)
- Easy-to-Implement System Control
- Configurable Power Mode and Reset Behavior (MAX14720)
- 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
- Individual Enable Pins (MAX14750)
- Voltage Monitor Multiplexer
- I2C Control Interface
- Configurable Power Mode and Reset Behavior (MAX14720)
- Physical characteristics
- -40°C to +85°C operating temperature range
- 2.26mm x 2.14mm WLP-25 package; 0.4mm pitch
应用
- Portable Medical Devices
- Wearable Fitness Devices
- Wearable Medical Devices
Typical Application Circuit Diagram
发布日期: 2016-10-13
| 更新日期: 2025-01-28