E520.03A61AC ELMOS Semiconductor, E520.03A61AC Datasheet - Page 24

• Manufacturer Part Number: E520.03A61AC
• Description: Motor / Motion / Ignition Controllers & Drivers 8x low side driver
• Manufacturer: ELMOS Semiconductor
• Type: Unipolar Stepper Motor Driverr

Specifications of E520.03A61AC

• Rohs: yes
• Product: Stepper Motor Controllers / Drivers
• Operating Supply Voltage: 3.3 V, 5 V
• Supply Current: 5 mA
• Operating Temperature: - 40 C to + 125 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-32
• Number Of Outputs: 8
• Output Current: 300 mA
• Output Voltage: 3 V to 25 V
• Power Dissipation: 2.8 W

Configurations recommended for LED driver mode:
• RHEx=0
• PWEx=1
• PWMAy in SPI register 0110
• LOG=1
• STOPz=0
• OUTx=0
• For continuous operation the pull-down current sources should be disabled in order to prevent inactive LEDs
• To detect open load conditions the pull-down current sources may be temporarily enabled:
• Either the fixed clamping mode or the “stepper motor clamping mode” may be used:
• The over-current shut-off may be set to typ. 2ms or typ. 37ms:
This document contains information on a pre-production product. ELMOS Semiconductor AG reserves the right to change specifications and information herein without notice.
12 / 8 ChANNeL LOw SIDe DRIveR wITh STALL DeTeCTION
PRODUCTION DATA - JUL 24, 2012
ELMOS Semiconductor AG
sources A, B and C.
from glowing:
PDEx=0
PDEx=1
CLMP[1:0]=00
OCC=1
b
b
b
in SPI register 0110
b
b
b
b
b
or 0
in SPI register 0100
in SPI register 0011
or 1
in SPI register 0101
in SPI register 0101
in SPI register 1000
b
b
in SPI register 0110
in SPI register 0000
b
or 11
b
in SPI register 0110
Figure 12. Logarithmic PWM Generation for LEDs with 245 Hz
b
b
b
to select f
, PWMBx and PWMCx in SPI register 0111
b
b
b
b
to prevent the driver from going into Adapted PWM mode
.
.
to switch the driver into PWM mode.
to disable stall detection initiated driver shut-off's,
b
.
b
to activate or deactivate the driver,
PWM
=245Hz and logarithmic duty cycle scaling.
b
.
Data Sheet
24/29
b
to adjust the duty cycles of PWM
e520.01/02/03/08
QM-No.: 25DS0054E.02