Microchip MCP1631V Bedienungsanleitung
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MCP1631V
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2008-2022 Microchip Technology Inc. and its subsidiaries DS20002063C-page 1
MCP1631/HV/MCP1631V/VHV
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)
• AEC-Q100 Qualified
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
General Description
MCP1631/MCP1631V i s a high- s peed analog
pulse width modulator (PWM) used to develop
intelligent power systems. When combined with a
microcontroller, 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
microcontroller, 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
microcontroller
and auxiliary circuits.
The MCP1631/MCP1631V is AEC-Q100 qualified for
automotive applications.
High-Speed, Pulse Width Modulator
Produktspezifikationen
| Marke: | Microchip |
| Kategorie: | Nicht kategorisiert |
| Modell: | MCP1631V |
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