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Datasheet Microchip MCP1631V-E/SS

Part NumberMCP1631V-E/SS

The MCP1631, MCP1631V offer both current or voltage mode respectively as well as the high voltage versions MCP1631HV, MCP1631VHV for high-speed microcontroller based pulse width modulation ideal for programmable switch mode battery charging for multiple chemistries such as Li-Ion, NiMH, NiCd & Pb-Acid and other intelligent power system needs


  • Download » Datasheet PDF, 579 Kb, Revision: 12-17-2008
    MCP1631/HV/MCP1631V/VHV High-Speed, Pulse Width Modulator
    Docket ↓
    High-Speed, Pulse Width Modulator
    Features General Description Programmable Switching Battery Charger
    Designs High-Speed Analog PWM Controller
    (2 MHz Operation) Combine with Microcontroller for “Intelligent”
    Power System Development Peak Current Mode Control (MCP1631) Voltage Mode Control (MCP1631V) High Voltage Options Operate to +16V Input:
    -MCP1631HV Current Mode
    -MCP1631VHV Voltage Mode Regulated Output Voltage Options:
    +5.0V or +3.3V
    250 mA maximum current External Oscillator Input sets Switching
    Frequency and Maximum Duty Cycle Limit External Reference Input Sets Regulation Voltage
    or Current Error Amplifier, Battery Current ISNS Amplifier,
    Battery Voltage VSNS Amplifier Integrated Integrated Overvoltage Comparator Integrated High Current Low Side MOSFET
    Driver (1A Peak) Shutdown mode reduces IQ to 2.4 ВµA (typical) Internal Overtemperature Protection Undervoltage Lockout (UVLO) Package Options:
    -4 mm x 4 mm 20-Lead QFN
    (MCP1631/MCP1631V only)
    -20-Lead TSSOP (All Devices)
    -20-Lead SSOP (All Devices) T he MCP16 31/MC P1631 V is a hi gh-spe ed
    analog pulse width modulator (PWM) used to develop
    intelligent power systems. When combined with a
    microcontroller, the MCP1631/MCP1631V will control
    the power system duty cycle providing output voltage
    or current regulation. The microcontroller can be used ...



Lifecycle StatusProduction (Appropriate for new designs but newer alternatives may exist)




Current Limit / Short Circuit ProtectionTrue
Duty Cycle Max0.99 %
Enable PinTrue
External Clock SyncTrue
Input UVLO Typ2.8 V
Iq Off2.4 µA
Maximum Input Voltage5.5 V
Minimum Input Voltage3 V
Operating FrequencySync. to 2 MHz Hz
Operating Supply Current3.7 mA
Operating Temperature Range-40 to +125 °C
Supported Outputs1
Supported TopologiesFlyback, Boost, SEPIC, Cuk
Typical ToleranceВ±3 %

Eco Plan


Other Options

MCP1631 MCP1631HV MCP1631VHV

Moldel Line

Series: MCP1631V (6)

Manufacturer's Classification

  • Power Management > PWM Controllers > Flyback/Fwd/Push-Pull Products

Other Names:


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