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Microchip 1-Channel Boost Regulator Open Drain 5.5V 1.8V 175mA 8-Pin SOP MCP1642B-50I/MS
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Model | MCP1642B-50I/MS |
| Output type | Open Drain |
| Topology | Boost |
| Maximum Operating Temperature | 125°C |
| Package Type | SOP |
| Minimum Operating Temperature | -40°C |
| Number of outputs | 1 |
| Maximum Switching Frequency | 1MHz |
| Maximum Output Current | 800mA |
| Standards/Approvals | RoHS |
| Maximum Output Voltage | 5.5V |
| Minimum Input Voltage | 0.35V |
| Pin Count | 8 |
| Minimum Output Voltage | 1.8V |
| Minimum Output Current | 175mA |
Key Features
- Operates with input voltages as low as 0.35 V, enabling low voltage start-up.
- Supports maximum output voltage of 5.5 V and output current up to 800 mA.
- Features synchronous step-up DC-DC conversion for high efficiency up to 96%.
- Integrated soft-start, over temperature protection, and inrush current limiting for reliable operation.
- Compact 8-pin SOP package suitable for space-constrained applications.
- Open drain output type facilitates MCU interfacing and voltage regulation indication.
- RoHS compliant and designed for industrial temperature ranges from -40°C to 125°C.
- Ideal for battery-powered applications using alkaline, Li-ion, NiMH, or Li-Polymer sources.
Product Description
Microchip MCP1642B-50I/MS is a high-efficiency 1-channel synchronous boost regulator designed for voltage step-up applications in industrial and electronic devices. It supports open drain output and operates with a low input voltage range starting from 0.35 V up to 5.5 V, making it ideal for use with single to triple cell batteries including alkaline, NiCd, NiMH, Li-Ion, and Li-Polymer chemistries. The device integrates a low-resistance N-Channel boost switch and synchronous P-Channel switch to achieve efficiency up to 96%, which helps in extending battery life.
The regulator includes internal compensation, soft-start circuitry, and over temperature protection to ensure stable and reliable operation across a wide temperature range from -40°C to 125°C. Its open drain power good output facilitates easy monitoring of output voltage status and interfacing with microcontrollers for sophisticated power management.
Constructed in a compact 8-pin SOP package, the MCP1642B-50I/MS is suitable for space-constrained designs in industrial, automotive, and general electronics applications requiring efficient DC-DC boosting capabilities.
Operates at a maximum switching frequency of 1 MHz for low noise and compact external component sizing. Supports output current up to 800 mA with minimum output voltage of 1.8 V. Includes protection features such as inrush current limiting and shutdown current of only 1 µA to maximize efficiency during standby conditions.
This boost regulator is widely used in portable electronics, battery management systems, industrial control units, and other low-voltage power supply solutions. It simplifies power supply design while delivering robust and precise voltage regulation performance.
Explore EnvMart’s Power Management ICs category for more industrial-grade semiconductor solutions suitable for demanding electronic and electrical engineering applications.
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Frequently Asked Questions
The maximum output voltage of this model is 5.5 V.
It operates with a minimum input voltage of 0.35 V.
The maximum output current is 800 mA.
This model operates within a temperature range of -40°C to 125°C.
It features an open drain output type.
The maximum switching frequency is 1 MHz.
It is available in a compact 8-pin SOP package.
This model achieves high efficiency up to 96%.
It is suitable for use with alkaline, Li-ion, NiMH, and Li-Polymer batteries.
The minimum output voltage is 1.8 V.
It includes integrated soft-start, over temperature protection, and inrush current limiting.
Yes, it is RoHS compliant.
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