Microchip MTCH652-I/SS, 19-Channel I/O module 2MHz, Serial-SPI, 28-Pin SSOP

  • RS Stock No. 861-0595
  • Mfr. Part No. MTCH652-I/SS
  • Manufacturer Microchip
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

MTCH652 Capacitive Touch Line Driver

The Microchip MTCH652 is a Driver IC designed to drive High-Voltage Outputs in Capacitive Touch applications. The MTCH652 combines a Boost Converter with 19 Level Shifters to drive up to 19 channels.

The device is programmable via a Configuration (CONFIG) registers. The CONFIG register can be altered during device operation via a SPI interface to select the desired voltage output. Soft Start can also be tailored to limit initial in-rush currents to prevent system brown-outs.

In a typical application the MTCH652 requires only a SPI interface, Latch Enable Input, PWM Input, two Capacitors and a small Inductor.

Features

19 High-Voltage I/O Lines
Built-in Boost Converter
Internal Switch
1.8 V to 5.5 V Input Operating Range
Low Quiescent Current: <200 μA
Low Shutdown Current: 1.5 μA, typical
Up to 50 mA Output Current @ VIN = 3.6 V and VOUT = 12 V
Driven by an External PWM Driven Boost for Greater Boost Flexibility
Selectable Output Voltage Range: 6 V, 8 V, 10 V, 12 V, 14 V, 16 V and 18 V
Selectable Current Limiting
Selectable Soft Start
High-Speed SPI Interface: 1 MHz max.
Output Enable (OE) Independent of SPI Interface
Built-in Discharge Circuit

Human Machine Interface (HMI), Microchip

Specifications
Attribute Value
Number of I/O Channels 19
Interface Serial-SPI
Number of Pins 28
Package Type SSOP
Clock Frequency 2MHz
Mounting Type Surface Mount
Maximum Supply Voltage 5.5 V
Minimum Supply Voltage 1.8 V
120 In stock for delivery within 4 working days
Price Each (In a Pack of 5)
SGD 2.284
(exc. GST)
SGD 2.444
(inc. GST)
units
Per unit
Per Pack*
5 - 5
SGD2.284
SGD11.42
10 - 20
SGD2.066
SGD10.33
25 - 95
SGD1.924
SGD9.62
100 +
SGD1.796
SGD8.98
*price indicative
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