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Microchip Technology MCP73X23EVLFP Lithium Battery Controller

The MCP73123/223 is a compact, highly integrated lithium iron phosphate battery charge management controller designed for space-limited, cost-effective applications. It features complete linear charge management with input overvoltage protection, pass transistor, current sense, and reverse discharge protection. The controller employs a constant current/constant voltage algorithm, with preset voltage regulation and thermal regulation to optimize charging speed and safety. It supports battery voltages of 3.6V and 7.2V, with a small DFN-10 package suitable for power tools, toys, and backup energy storage systems, ensuring reliable, efficient charge cycles across a wide temperature range.

Authorized Distributors
Source:Newark
Part No:MCP73X23EV-LFP
Stock:8
Inv Date:06-11-2026
Price: Unit price: $39.19
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Source:DigiKey
Part No:MCP73X23EV-LFP
Stock:2
Inv Date:06-11-2026
Price: Unit price: $41.65
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Part No:MCP73X23EV-LFP
Stock:5
Inv Date:06-12-2026
Price: Unit price: $41.65
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Part No:MCP73X23EV-LFP
Stock:0
Inv Date:06-11-2026
Price: Unit price: $116.83
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Part No:MCP73X23EV-LFP
Stock:0
Inv Date:06-11-2026
Price: Unit price: $43.8421
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Part No:MCP73X23EV-LFP
Stock:0
Inv Date:06-11-2026
Price: Unit price: $43.8421
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Part No:MCP73X23EV-LFP
Stock:0
Inv Date:06-11-2026
Price: Unit price: $36.83
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Part No:MCP73X23EV-LFP
Stock:2
Inv Date:06-12-2026
Price: N/A
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Microchip Technology MCP73X23EVLFP Lithium Battery Controller Specifications:

  • Package: DFN-10 (3 mm x 3 mm)
  • Input Voltage Range: 4.15V UVLO, 18V max
  • Charge Voltage: 3.6V (MCP73123), 7.2V (MCP73223)
  • Charge Current: 130 mA to 1100 mA, resistor programmable
  • Temperature Range: -40°C to +85°C
  • Thermal regulation limits charge current based on die temperature
  • Constant current/constant voltage charge algorithm
  • Preconditioning of deeply depleted cells with 10% or disable options
  • Automatic end-of-charge with threshold options: 5%, 7.5%, 10%, 20%
  • Automatic recharge enabled with threshold options: 95% or disabled
  • Status indicator: open-drain output, configurable LED or microcontroller interface
  • Overvoltage protection hysteresis: approximately 150 mV
  • Battery short circuit protection: detects below 1.7V per cell, with 25 mA detection current
  • Protection for reverse bias and fault conditions
  • Operating temperature: -40°C to +85°C
  • Supports applications like low-cost LiFePO modules, backup energy, toys, and power tools

Buy the Microchip Series MCP73123/223 Lithium Iron Phosphate Battery Charger: MCP73X23EVLFP

Purchase the Microchip Series MCP73X23EVLFP lithium iron phosphate battery management controller online today to secure a reliable, compact solution for your energy storage, power tools, toys, and backup systems. Its integrated protections, preset voltages, and thermal regulation ensure safety and efficiency across a wide temperature range. With a small DFN package and resistor programmable charge currents, this controller simplifies design, reduces external components, and enhances device longevity. Get it now for dependable, high-performance battery management in space-constrained applications.

Order your Microchip Series MCP73X23EVLFP lithium iron phosphate battery charger today and ensure safe, efficient power management for your critical applications.

Frequently Asked Questions

Where can I buy Microchip Technology MCP73X23EVLFP?

You can click on the BUY or RFQ button to purchase MCP73X23EVLFP from an authorized Microchip Technology distributor.

How do I troubleshoot issues or seek technical support for part MCP73X23EVLFP?

You can download the MCP73X23EVLFP datasheet or visit the Microchip Technology website for support.

Who is the manufacturer of MCP73X23EVLFP?

Microchip Technology

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