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Manufacturer Part #

MCP1640RD-4ABC

MCP1640 Single Quad-A Battery Boost Converter Reference Design

ECAD Model:
Mfr. Name: Microchip
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Product Specification Section
Technical Attributes
Attributes Table
Application Type: Battery Management
Core Supported: MCP1640
Features & Applications

The MCP1640RD-4ABC Single Quadruple-A Battery Boost Converter Reference Design demonstrates how the MCP1640 device, with the True Output Disconnect Shutdown option, works attached to a microcontroller application.

This board demonstrates how to optimize battery life using the MCP1640, and an 8-bit low cost PIC microcontroller, to reduce the No Load Input Current for applications that operate in Standby mode for a long period of time. During Standby, the enable signal for the MCP1640 has a low frequency, with less than 1% positive duty cycle. This maintains the output of the MCP1640 device up to 2.3V, which is sufficient to keep the PIC microcontroller live. This solution reduces up to 80% of the No Load Input Current the MCP1640 consumes in PFM Mode.

Features:

  • Input voltage: one AAAA Alkaline battery
  • Output voltage: 3.3V
  • Output current: < 130 mA
  • Up to 75% efficiency
  • Standby battery current: 14.5 μA @ 1.5V input
  • Start-up voltage: 0.65V at VIN = 1.2V, VOUT = 3.3V and IOUT = 1 mA, resistive load
  • Automatic PFM/PWM operation
  • PWM Switching Frequency = 500 kHz
  • ON/OFF switch button, with 25 seconds ON
  • LED status indication (Output ON and Low Battery)
  • Energizer® Battery Holder with reverse battery protection

Kit Contains:

  • One MCP1640 Single Quadruple-A Battery Boost Converter Evaluation Board 
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Minimum Order:
7
Multiple Of:
1
Total
$256.97
USD
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1
$39.92
4
$36.71
10
$34.73
25
$32.86
40+
$31.94
Product Variant Information section