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MCP1631HVT-500E/ST

Description
Switch Controller Hi Vltg Integ HS PWM I Mode
CategoryPower/power management    The power supply circuit   
File Size523KB,33 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Environmental Compliance
Download Datasheet Download user manual Parametric View All

MCP1631HVT-500E/ST Overview

Switch Controller Hi Vltg Integ HS PWM I Mode

MCP1631HVT-500E/ST Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMicrochip
package instructionTSSOP, TSSOP20,.25
Reach Compliance Codecompliant
ECCN codeEAR99
Factory Lead Time7 weeks
MCP1631/HV/MCP1631V/VHV
High-Speed, Pulse Width Modulator
Features
• 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 I
SNS
Amplifier,
Battery Voltage V
SNS
Amplifier Integrated
• Integrated Overvoltage Comparator
• Integrated High Current Low Side MOSFET
Driver (1A Peak)
• Shutdown mode reduces IQ to 2.4 µA (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)
General Description
The MCP1631/MCP1631V is a high-speed microcon-
troller based 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 to adjust output voltage or current, switching
frequency and maximum duty cycle while providing
additional features making the power system more
intelligent, robust and adaptable.
Typical applications for the MCP1631/MCP1631V
include programmable switch mode battery chargers
capable of charging multiple chemistries, like Li-Ion,
NiMH, NiCd and Pb-Acid configured as single or
multiple cells. By combining with a small microcontrol-
ler, intelligent LED lighting designs and programmable
SEPIC topology voltage and current sources can also
be developed.
The MCP1631/MCP1631V inputs were developed to
be attached to the I/O pins of a microcontroller for
design flexibility. Additional features integrated into the
MCP1631HV/MCP1631VHV provide signal condition-
ing and protection features for battery charger or
constant current source applications.
For applications that operate from a high voltage input,
the MCP1631HV and MCP1631VHV device options
can be used to operate directly from a +3.5V to +16V
input. For these applications, an additional low drop out
+5V or +3.3V regulated output is available and can
provide current up to 250 mA to power a microcontrol-
ler and auxiliary circuits.
Applications
• High Input Voltage Programmable Switching
Battery Chargers
• Supports Multiple Chemistries Li-Ion, NiMH, NiCd
Intelligent and Pb-Acid
• LED Lighting Applications
• Constant Current SEPIC Power Train Design
• USB Input Programmable Switching Battery
Chargers
©
2007 Microchip Technology Inc.
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