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Monolithic Power Systems MP2721 | Demoboard EV2721-RH-00A
5A, 1-Cell, I2C-Controlled NVDC Buck Charger Evaluation Board
Overview
| Topology | Buck Converter |
| Input voltage | 4-16 V |
| IC revision | 1.1 |
Description
The EV2721-RH-00A is an evaluation board designed to demonstrate the capabilities of the MP2721, a highly integrated, 5A, switch-mode battery management device for single-cell Li-ion or Li-polymer batteries. The narrow-voltage DC (NVDC) power management structure provides a low-impedance power path that optimizes charging efficiency, reduces battery charging time, and extends battery life during discharging.
Features
- Supports USB BC 1.2 and Non-Standard Adapters
- 26V Sustainable Input Voltage (VIN)
- 80mA to 5A Charge Current (ICC), Configurable via the Serial Interface
- 100mA to 3.2A Input Current Limit (IIN_LIM), Configurable via the Serial Interface
- Minimum VIN Loop for Maximum Adapter Power Tracking
- Comprehensive Safety Features:
- Fully Customizable JEITA Profile
- Additional Negative Temperature Coefficient (NTC) Thermistor Input
- Configurable Die Temperature Regulation from 60°C to 120°C
- Complete Charge and Pre-Charge Safety Timers
- Watchdog Safety Timer
- Lockable Registers for Charging Parameters
- Configurable 750kHz to 1.5MHz Switching Frequency (fSW)
- Integrated 15mΩ Low-RDS(ON) Battery MOSFET with Shipping and Reset Modes
- Ultra-Low 8.5μA Battery Discharge Current in Shipping Mode
- Down to 30mA Termination Current Settings for Wearable Applications
- Serial Interface Port for Flexible System Parameter Setting and Status Reporting
- Configurable Boost Converter for Source Mode and USB On-The-Go (OTG):
- Configurable Output Current Limit Loop Up to 3A
- Output Over-Current Protection (OCP)
- Ability to Power into Large Capacitive Loads Up to 2mF
- Configurable 5V to 5.35V Output Voltage (VOUT)
- ±0.5% Battery Regulation Voltage (VBATT_REG)
- ±5% ICC
- ±5% IIN_LIM
- Remote Battery Sensing for Fast Charge
- ±2% Output Regulation in Boost Mode
- Available in a Small QFN-22 (2.5mmx3.5mm) Package
Typical applications
- Portable Cameras
- Bluetooth Headphones, Bluetooth Speakers
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | fres(MHz) | IRP,40K(A) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-MAIA SMT Power Inductor, 1 µH, 5.3 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAIA SMT Power Inductor | Inductance1 µH | Saturation Current @ 10%5.3 A | Saturation Current @ 30%11.5 A | DC Resistance15 mΩ | Self Resonant Frequency55 MHz | Performance Rated Current10.1 A | MountSMT |