L9942XP1

Stepper Motor Driver for Bipolar Motors with ustepping & programmable current profile

Parameters

Operating Range	Automotive
Supply Voltage Min Volt	7.0
Supply Voltage Max Volt	20.0
ECCN US	EAR99
ECCN EU	NEC
Packing Type	Tube
RoHs compliant	Ecopack2
Grade	Automotive
Package Name	PowerSSO 24

Description

The L9942 is an integrated stepper motor driver for bipolar stepper motors with microstepping and programmable current profile look-up-table to allow a flexible adaptation of the stepper motor characteristics and intended operating conditions. It is possible to use different current profiles...
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Key features

Key features
Two full bridges for max. 1.3 A load(R_DSON= 500 mΩ) Programmable current waveform with look-up table: 9 entries with 5 bit resolution Current regulation by integrated PWM controller and internal current sensing Programmable stepping mode: full, half, mini and microstepping Programmable slew rate for EMC and power dissipation optimization Programmable Fast-, Slow-, Mixed- and Auto-Decay Mode Full-scale current programmable with 3 bit resolution Programmable stall detection Step clock input for reduced μController requirements Very low current consumption in standby mode I_S< 3 μA, typ. T_j≤ 85 °C All outputs short circuit protected with openload, overload current, temperature warning and thermal shutdown The PWM signal of the internal PWM controller is available as digital output. All parameters are guaranteed for 3 V < Vcc < 5.3 V and for 7 V < Vs < 20 V

In stock

Quantity	$ per unit	Savings
1-9	$6.90	20%
10-24	$5.18	10%
25-99	$4.83	16%
100-249	$4.25	26%
250-499	$4.04	30%
500	$3.62	37%
500 +	Contact sales

$6.90

$5.77

Parameters

Operating Range	Automotive
Supply Voltage Min Volt	7.0
Supply Voltage Max Volt	20.0
ECCN US	EAR99
ECCN EU	NEC
Packing Type	Tube
RoHs compliant	Ecopack2
Grade	Automotive
Package Name	PowerSSO 24

Description

Key features

Key features
Two full bridges for max. 1.3 A load(R_DSON= 500 mΩ) Programmable current waveform with look-up table: 9 entries with 5 bit resolution Current regulation by integrated PWM controller and internal current sensing Programmable stepping mode: full, half, mini and microstepping Programmable slew rate for EMC and power dissipation optimization Programmable Fast-, Slow-, Mixed- and Auto-Decay Mode Full-scale current programmable with 3 bit resolution Programmable stall detection Step clock input for reduced μController requirements Very low current consumption in standby mode I_S< 3 μA, typ. T_j≤ 85 °C All outputs short circuit protected with openload, overload current, temperature warning and thermal shutdown The PWM signal of the internal PWM controller is available as digital output. All parameters are guaranteed for 3 V < Vcc < 5.3 V and for 7 V < Vs < 20 V