Stepper Motor Controller IC

The Elmos Stepper Motor control ICs increase efficiency and give you full control over the application. Furthermore Elmos offers unique features like stall detection: During the operation of a stepper motor, characteristic current and voltage profiles occur with each succeeding step, allowing a conclusion about the motor’s operating status. By recording and analyzing these signals, sensorless detection of a motor stall is possible. Elmos has the competence to integrate this function into ICs.

Part-No. / Function	Interface	V_SUPPLY	I_PEAK	P(Motor) peak	RDS_ON	Package	Comment
E520.01 (*Driver IC) 12x Low-Side for 3 Stepper Motors with Stall Detection	SPI-compatible (3.3/5V)	3V to 25V (42V)	12 channel	≈12x 8.75W	1.5Ω	QFN32L5 SOIC28	Stall detection for stepper motors (E520.01) suitable for Full Step, Half Step, Wave Drive 245Hz LED mode 25kHz relay mode 25kHz linear PWM T_Junc peak = +150°C
E520.02 (*Driver IC) 12x Low-Side for 3 Stepper Motors	SPI-compatible (3.3/5V)	3V to 25V (42V)	12 channel	≈12x 8.75W	1.5Ω	QFN32L5 SOIC28	245Hz LED mode 25kHz relay mode 25kHz linear PWM T_Junc peak = +150°C
E520.03 (*Driver IC) 8x Low-Side for 2 Stepper Motors with Stall Detection	SPI-compatible (3.3/5V)	3V to 25V (42V)	8 channel	≈8x 8.75W	1.5Ω	QFN20L5 QFN32L5 SOIC20	Stall detection for stepper motors suitable for Full Step, Half Step, Wave Drive 245Hz LED mode 25kHz relay mode 25kHz linear PWM T_Junc peak = +150°C
E520.08 (*Driver IC) 8x Low-Side for 2 Stepper Motors	SPI-compatible (3.3/5V)	3V to 25V (42V)	8 channel	≈8x 8.75W	1.5Ω	QFN20L5 QFN32L5 SOIC20	245Hz LED mode 25kHz relay mode 25kHz linear PWM T_Junc peak = +150°C
E523.30 (*SoC) Power Stepper Controller with Stall Detection and Auto Addressing (LIN/PWM Interface)	LIN 2.x (1.3 comp.) or SAE-J2602 or PWM Interface Optional LIN Auto-Addressing (SNPD) only E523.30 or LIN Flash update JTAG	5.5V to 20V (42V)	2 channel	≈ 25W	550mΩ(HS) 450mΩ(LS)	QFN32L6	Current chopper motor control Supply and read-out of up to 3 sensors Embedded 8bit µC 8k FLASH T_Junc peak = +170°C
E523.31, E523.32 (*Plug & Play) Power Stepper Controller with Stall Detection and standard application software (LIN Interface)	LIN 2.x (1.3 comp.) or SAE-J2602 LIN Flash update JTAG	5.5V to 20V (42V)	2x800mA H-Bridge	≈25W	550mΩ(HS) 450mΩ(HS)	QFN32L6	Current chopper motor control Supply and read-out of up to 3 sensors Embedded 8bit µC 8k FLASH (E523.31) 8k ROM (E523.32) T_Junc peak = +170°C
E523.39 (*Plug & Play) SPI Stepper Driver	SPI-compatible (3.3/5V)	5V to 28V (42V)	2 channel	40W	0.5Ω (HS) 0.5Ω (LS)	QFN20L5 QFN32L6	Stall-Detection / analysis / position correction Sensitive Fail-Current-Detection Over modulation with customized waveforms Supporting Adaptive-Holding-Torque Supporting Adaptive-Run-Current T_Junc peak = +170°C
E523.60, E523.61 (SoC/Plug & Play) Stepper Motor Driver with Stall Detection (LIN/PWM Interface)	LIN 2.x (1.3 comp.) or SAE-J2602 or LIN/PWM Interface Fast LIN Flash update JTAG	7V to 18V (42V)	2x ±190mA H-Bridge	≈5.4W	2Ω (HS) 2Ω (LS)	QFN32L6	8bit CPU, 8k FLASH (E523.60), 8k ROM (E523.61) 64Byte E2PROM Current chopper motor control Supply and read-out of up to 3, potentiometers or sensors Excellent performing stall detection T_Junc peak = +150°C (Contact supplier for higher temperatures)


*Plug & Play	Chip with defined functionality \| no controller programming necessary
*SoC	System-on-a-Chip \| with integrated microcontroller
*SBC	System-Basic-Chip \| with Voltage Regulator Reset, Watchdog, physical Interface
*Driver IC	Driver Chip without SBC or SoC features

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Stepper Motor Controller IC

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