Microchip: MCP73213EV-2SOVP - MCP73213 OVP Dual Cell Li-Ion Battery Charger Evaluation Board

atomar — Wed, 25 Jun 2014 00:52:55 GMT

Current Revision posted to Documents by atomar on 6/25/2014 12:52:55 AM

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Kit Overview

The MCP73213MCP73213 OVP Dual-Cell Li-Ion Battery Charger Evaluation Board (MCP73213EV-2SOVPMCP73213EV-2SOVP) demonstrates the features of Microchip’s MCP73213 Dual-Cell Li-Ion / Li-Polymer Battery Charge Management Controller with Input Overvoltage Protection.

The MCP73213MCP73213 OVP Dual-Cell Li-Ion Battery Charger Evaluation Board is designed with two charging currents. The default value is 500 mA and when PROG via is tied to ground, the two parallel resistors output 1000 mA charging current to a Li-Ion battery. One blue LED status output allows the user to learn if the MCP73213 is in charging state or not.

The MCP73213MCP73213 OVP Dual-Cell Li-Ion Battery Charger Evaluation Board comes with an installed MCP73213 device in the 3 mm x 3 mm DFN package. The factory preset battery regulation voltage is 8.40V with 10% precondition current, 10% termination current set point, automatic recharge and 6.5V OVP threshold voltage.

The MCP73213MCP73213 OVP Dual-Cell Li-Ion Battery Charger Evaluation Board is designed to observe the performance and features on the circuits via multiple test points. Circuits can also be implemented into suitable applications without additional work.

The MCP73213MCP73213 product family is highly integrated linear charge management controllers for dual-cell Li-Ion and Li-Polymer batteries. The MCP73213 product family operates with minimum external components, which is ideal for use in space-limited and cost-effective applications. The maximum 18V rated input over voltage protection and battery short circuit protection offer designers a secondary protection in addition to the Li-Ion battery protection circuit.

Key Applications: Low-Cost 2-Cell Li-Ion/Li-Poly Chargers / Cradles, Digital Camcorders, Portable Media Players, Ultra Mobile Personal Computers, Netbook Computers, Handheld Devices, Walkie-Talkie.

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Technical Documents

Learning Center

Type	Description
User Guide	Microchip: User Guide for MCP73213 OVP Dual Cell Li-Ion Battery Charger Evaluation Board
User Guide	Microchip: Quick Start Guide to Development Tools
Datasheet	Microchip: Datasheet for MCP73213
Selection Guide	Microchip: Selection Guide for Analog and Interface Products
Selection Guide	Microchip: Selection Guide for Focus Products
Product Brief	Microchip: Product Brief for Low Power Analog Solutions
Application Note	Microchip: Application Note for Low-Cost Lithium Iron Phosphate (LiFePO4) Battery Charger With MCP73123

Design Elements

Type	Description
Layout	Microchip: Layout File for MCP73213EV-2SOVP

Video

Kit Features

Features of MCP73213EV-2SOVPMCP73213EV-2SOVP:

13V Input Overvoltage Protection
10% Preconditioning of deeply depleted cells
32-Minute Preconditioning Timer
6-Hour Safety Timer
10% Automatic Charge Termination
500 mA and 1000 mA Preset Fast Charge Current
Automatic Recharge
Thermal Regulation
One Blue LED indicates charge status
Small DFN packages with Exposed Pad as additional heat sink

Features of MCP73213MCP73213:

Complete Linear Charge Management Controller:
- Integrated Input Overvoltage Protection
- Integrated Pass Transistor
- Integrated Current Sense
- Integrated Reverse Discharge Protection
Constant Current / Constant Voltage Operation with Thermal Regulation
4.15V Undervoltage Lockout (UVLO)
13V Input Overvoltage Protection
High Accuracy Preset Voltage Regulation Through Full Temperature Range (-5°C to +55°C):
- + 0.6%
Battery Charge Voltage Options:
- 8.20V, 8.40V, 8.7V or 8.8V
Resistor Programmable Fast Charge Current:
- 130 mA - 1100 mA
Preconditioning of Deeply Depleted Cells:
- Available Options: 10% or Disable
Integrated Precondition Timer:
- 32 Minutes or Disable
Automatic End-of-Charge Control:
- Selectable Minimum Current Ratio: 5%, 7.5%, 10% or 20%
- Elapse Safety Timer: 4 HR, 6 HR, 8 HR or Disable
Automatic Recharge:
- Available Options: 95% or Disable
Factory Preset Charge Status Output:
- On/Off or Flashing
Soft Start
Temperature Range: -40°C to +85°C
Packaging: DFN-10 (3 mm x 3 mm)

Kit Contents

The Microchip's MCP73213EV-2SOVPMCP73213EV-2SOVP MCP73213MCP73213 OVP Dual Cell Li-Ion Battery Charger Evaluation Board supplied with below contents:

MCP73213MCP73213 OVP Dual-Cell Li-Ion Battery Charger Evaluation Board ( MCP73213EV-2SOVPMCP73213EV-2SOVP )
Important Information Sheet

Tags: battery_charger, mcp73213ev-2sovp, li-ion, microchip, evaluation_board, mcp73213