MX884HTTR

MX884HTTR Datasheet

MX884

Part	Datasheet
MX884HTTR	MX884HTTR (pdf)

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IXYS MX884 High-Side Current Monitor With 10-Bit Serial Digital Output Features: • 3-60 V Operating Voltage Range • Integrated 10-bit ADC • 3 wire serial interface • Microcontroller Compatible • Low Power • Minimum External Components • TSOT-23 RoHS Compliant Package The MX884 targets power management applications where high noise immunity and low cost are primary requirements. Its integrated 10-bit ADC provides high resolution, making it ideal for current monitoring systems. The MX884 enables digital power management, in which a microcontroller can readily monitor the current in a system and perform other control functions in power systems and motion control products. Applications: • Lighting Management • Current Shunt Measurement • Remote Sensing • Battery Monitoring • Microprocessor Controlled Power Management Ordering Information MX884HTTR 6L TSOT23 Tape & Reel 3,000 The MX884 converts a small voltage developed across an external “current” sense resistor to a 10bit digital output. It features a wide common mode input supply voltage range of 3V to 60V and easily interfaces to most microcontrollers. The design is simple yet cost-effective, requiring very few external components, making it especially suitable for high volume applications. Functional Block Diagram Typical Application Circuit 1 Amp full scale MX884 Drawing No. 088423 12/20/06 MX884 IXYS Absolute Maximum Ratings TA = +25°C unless otherwise noted, Voltages with respect to GND = 0V Parameter Symbol Min Max Unit IN Supply Voltage LOAD SCK, CS Input Voltage SDO Open Drain Pull Up Voltage Operating Temperature Range TA -40 +85 °C Storage Temperature Range TSTG -55 +150 °C Absolute Maximum Ratings are stress ratings. Stresses in excess of these ratings can cause permanent damage to the device. Functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this data sheet is not implied. Exposure of the device to the absolute maximum ratings for an extended period may degrade the device and affect its reliability. Pin Description and Configuration Pin No. Name Description SCK Serial Clock GND Ground LOAD-Side Connection to the External Sense Resistor IN Positive Supply Terminal and Power Connection for the External Sense Resistor CS Chip Select Active Low SDO Serial Data Output Open Drain DC Electrical Characteristics VIN = 5 V, T = +25°C Parameter Condition Operating Voltage Range VIN Supply Current Average A/D Reading ILOAD=0 10 mV Sense Voltage Average A/D Reading 100 mV Sense Voltage

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IXYS

MX884

High-Side Current Monitor With 10-Bit Serial Digital Output

Features:
• 3-60 V Operating Voltage Range
• Integrated 10-bit ADC
• 3 wire serial interface
• Microcontroller Compatible
• Low Power
• Minimum External Components
• TSOT-23 RoHS Compliant Package

The MX884 targets power management applications where high noise immunity and low cost are primary requirements. Its integrated 10-bit ADC provides high resolution, making it ideal for current monitoring systems. The MX884 enables digital power management, in which a microcontroller can readily monitor the current in a system and perform other control functions in power systems and motion control products.

Applications:
• Lighting Management
• Current Shunt Measurement
• Remote Sensing
• Battery Monitoring
• Microprocessor Controlled Power Management
Ordering Information

MX884HTTR 6L TSOT23 Tape & Reel 3,000

The MX884 converts a small voltage developed across an external “current” sense resistor to a 10bit digital output. It features a wide common mode input supply voltage range of 3V to 60V and easily interfaces to most microcontrollers. The design is simple yet cost-effective, requiring very few external components, making it especially suitable for high volume applications.

Functional Block Diagram

Typical Application Circuit
1 Amp full scale

MX884 Drawing No. 088423
12/20/06

MX884

IXYS

Absolute Maximum Ratings

TA = +25°C unless otherwise noted, Voltages with respect to GND = 0V

Parameter

Symbol Min Max Unit

IN Supply Voltage

LOAD

SCK, CS Input Voltage

SDO Open Drain Pull Up Voltage

Operating Temperature Range

TA -40 +85 °C

Storage Temperature Range

TSTG -55 +150 °C

Absolute Maximum Ratings are stress ratings. Stresses in excess of these ratings can cause permanent damage to the device. Functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this data sheet is not implied. Exposure of the device to the absolute maximum ratings for an extended period may degrade the device and affect its reliability.

Pin Description and Configuration

Pin No. Name Description

SCK Serial Clock

GND Ground

LOAD-Side Connection to the External Sense Resistor

IN Positive Supply Terminal and Power Connection for the External Sense Resistor

CS Chip Select Active Low

SDO Serial Data Output Open Drain

DC Electrical Characteristics

VIN = 5 V, T = +25°C

Parameter

Condition

Operating Voltage Range VIN Supply Current

Average A/D Reading

ILOAD=0
10 mV Sense Voltage

Average A/D Reading
100 mV Sense Voltage

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Datasheet ID: MX884HTTR 644426