MTCH652-I/MV

Sensor And Detector Interfaces Overview

The MTCH652-I/MV is a compact boost converter with 19 high-voltage level shifters, designed to drive HV outputs from a low input voltage. It features an internal switch and boost circuit driven by an external PWM signal on the OSCIN pin. The device accepts a 1.8V to 5.5V input supply and provides selectable output voltages ranging from 6V to 18V. It includes configurable current limiting (up to 1A) and soft-start functionality to prevent inrush currents. Communication is managed via a high-speed SPI interface operating up to 1 MHz, alongside an independent Output Enable (OE) pin for efficient control.

Sensor And Detector Interfaces Feature Summary

• Integrated voltage boost circuit with built-in switching transistor and discharge capability
• Configurable output voltage selection across seven discrete levels from 6V to 18V
• Independent Output Enable (OE) pin allows rapid cycling of HV outputs without serial interface delay
• Programmable current limiting and soft-start features to manage inrush currents and system stability

Sensor And Detector Interfaces Applications

• Driving high-voltage capacitive touch sensor arrays
• Level shifting for LCD bias voltage generation
• Powering high-voltage analog front-end components in industrial sensing systems

Sensor And Detector Interfaces Procurement Notes

Verify the specific suffix -I/MV corresponds to the Industrial temperature range (-40°C to +85°C) and UQFN-28 package as documented in the official datasheet. Confirm that the design requires an external PWM source for the OSCIN pin, as this variant relies on it for boost regulation rather than an internal oscillator.

Sensor And Detector Interfaces Selection Notes

Select the MTCH652-I/MV when 19 high-voltage channels are required with integrated boost generation. Ensure the application can provide a modulated PWM signal on the OSCIN pin, as this model lacks the internal boost driver found in variants like the MTCH650. Verify that the external inductor and capacitor values align with the recommended 1 µH to 10 µH range for optimal efficiency.

Sensor And Detector Interfaces Part Context

This component belongs to the MTCH650/2 family of programmable voltage boost devices with level shifters. While similar to the MTCH650, the MTCH652 integrates the boost converter circuitry, requiring only an external inductor and PWM input. Both share the same 28-pin UQFN package and SPI control interface, differing primarily in channel count and boost architecture.

Sensor And Detector Interfaces Replacement Considerations

The MTCH650T-I/MV serves as a related part within the same family but lacks the built-in boost circuit, requiring an external high-voltage supply instead. Direct substitution is not possible without redesigning the power stage. No other public substitute part numbers are confirmed in the documentation.