IXMS150PSI

IXMS150PSI Datasheet

Type IXMS150 PSI

Part	Datasheet
IXMS150PSI	IXMS150PSI (pdf)

PDF Datasheet Preview
High Performance Dual PWM Microstepping Controller Type IXMS150 PSI Package 24-Pin Skinny DIP Temperature Range -40°C to +85°C The IXMS150 is a high performance monolithic 2-channel PWM controller. Implemented in CMOS, the low power IXMS150 precisely controls the current in each of two separate power H-bridge drivers using unique sampling and signal processing techniques. Each channel contains an error amplifier, PWM, feedback amplifier, and protection circuitry. Protection features include over/excess current shutdown, min/max duty cycle clamp, under voltage lockout, dead time insertion, and a shutdown input for over-temp or other external fault circuitry. Other features include a common oscillator, feedforward circuit for motor supply compensation, and an onchip negative bias generator. The IXMS150 has been optimized for microstep control of two phase step motors. Due to its high level of accu- Block diagram of IXMS 150 Other applications which the IXMS150 is designed for include control of two single-phase DC motors or control of synchronous reluctance motors. The IXMS150 is ideal for robotics, printers, plotters, and x-y tables and can facilitate the construction of very sophisticated positioning control systems while significantly reducing component cost, board space, design time and systems cost. l Two complete, synchronous PWMs l Command input range V full scale l V full scale current feedback signal l 1% gain matching between channels without external trim l gain linearity l Feedforward to compensate for motor supply variations l Only one sense resistor per H-bridge needed l Onboard two level current limiting l Undervoltage lockout assures proper behavior on power up and power down l Enable input for external over temperature or fault circuit input l Duty cycles limited for AC coupled gate drive l Wide range of built in dead time. l On board negative power supply generator l Single +12 V supply operation l 24-pin DIP package Symbol VDD VIN VO PD TA Tstg Definition Supply voltage Operating range Common-mode-range Differential Input voltage Input voltage Output voltage Maximum power dissipation Ambient temperature range Storage temperature range Max. Ratings ±30 V -0.3...VDD+0.3 500 mW °C °C Input voltage may not exceed either supply rail by more than V at any time. IXYS reserves the right to change limits, test conditions and dimensions. 1998 IXYS All rights reserved Applications l Full, half quarter, or microstepping 2-phase step motor position controller l Dual DC servo motor torque controller l Solenoid actuator force controller l General 2-channel currentcommanded PWM control I - 35 IXMS 150 Definition/Condition

PDF Datasheet Preview

High Performance Dual PWM Microstepping Controller

Type IXMS150 PSI

Package 24-Pin Skinny DIP

Temperature Range -40°C to +85°C

The IXMS150 is a high performance monolithic 2-channel PWM controller. Implemented in CMOS, the low power IXMS150 precisely controls the current in each of two separate power H-bridge drivers using unique sampling and signal processing techniques. Each channel contains an error amplifier, PWM, feedback amplifier, and protection circuitry. Protection features include over/excess current shutdown, min/max duty cycle clamp, under voltage lockout, dead time insertion, and a shutdown input for over-temp or other external fault circuitry. Other features include a common oscillator, feedforward circuit for motor supply compensation, and an onchip negative bias generator.

The IXMS150 has been optimized for microstep control of two phase step motors. Due to its high level of accu-

Block diagram of IXMS 150

Other applications which the IXMS150 is designed for include control of two single-phase DC motors or control of synchronous reluctance motors. The IXMS150 is ideal for robotics, printers, plotters, and x-y tables and can facilitate the construction of very sophisticated positioning control systems while significantly reducing component cost, board space, design time and systems cost.
l Two complete, synchronous PWMs
l Command input range V full scale
l V full scale current feedback signal
l 1% gain matching between channels without external trim
l gain linearity
l Feedforward to compensate for motor supply variations
l Only one sense resistor per H-bridge needed
l Onboard two level current limiting
l Undervoltage lockout assures proper behavior on power up and power down
l Enable input for external over temperature or fault circuit input
l Duty cycles limited for AC coupled gate drive
l Wide range of built in dead time.
l On board negative power supply generator
l Single +12 V supply operation
l 24-pin DIP package

Symbol VDD

VIN VO PD TA Tstg

Definition

Supply voltage Operating range Common-mode-range Differential Input voltage Input voltage Output voltage

Maximum power dissipation

Ambient temperature range Storage temperature range

Max. Ratings
±30 V
-0.3...VDD+0.3
500 mW
°C °C

Input voltage may not exceed either supply rail by more than V at any time. IXYS reserves the right to change limits, test conditions and dimensions.
1998 IXYS All rights reserved

Applications l Full, half quarter, or microstepping
2-phase step motor position controller l Dual DC servo motor torque controller l Solenoid actuator force controller l General 2-channel currentcommanded PWM control

I - 35

IXMS 150

Definition/Condition

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Datasheet ID: IXMS150PSI 644322