E520.03A61AC ELMOS Semiconductor, E520.03A61AC Datasheet - Page 18

• 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

6.4 Driver Control Modes
The combination of the different control signals is shown in the following simplified schematic and truth table:
Comments:
x ... [11...0] 12 drivers
y ... [ 4...0] 5bit adjustment for each PWM source A, B and C (see Table 5)
z ... [ 2...0] 3 stepper motors (only 2 stepper motors with E520.03 and E520.08)
Note: x=11...0 channel selection for E520.01 and E520.02
Table 3. Driver Modes and Applications
This document contains information on a pre-production product. ELMOS Semiconductor AG reserves the right to change specifications and information herein without notice.
OUTx
1
X
0
0
0
0
12 / 8 ChANNeL LOw SIDe DRIveR wITh STALL DeTeCTION
PRODUCTION DATA - JUL 24, 2012
b
b
b
b
b
ELMOS Semiconductor AG
x=7...0 channel selection for E520.03 and E520.08
z=2...0 channel selection for 3 stepper motors E520.01 only
z=1...0 channel selection for 2 stepper motors E520.03 only
• Relay-Pull-In-Phase
• Stepper-Motor-Appl.
stall response
PWEx
X
X
0
1
1
X
with external
• LS-Driver
b
b
b
controlled
STOPz=0
GENERIC LS DRIVER MODE
b
RHEx
X
X
X
0
0
1
PWEx=0
b
b
b
• Stepper-Motor-Appl.
b
stall initiated
driver shutoff
with internal
STOPz=1
LOG
X
X
X
0
1
X
Figure 8. Adjustments for Different Driver Modes
b
b
b
OUTx=0
RHEx=0
OVT
X
1
0
0
0
0
b
b
b
b
b
b
to activate the driver
b
Linear PWM mode
Data Sheet
18/29
STOPz=0
LOG=0
(25kHz)
LSONx
0
0
1
PWMA/B/C (LIN)
PWMA/B/C (LOG)
PWM adapted
b
b
b
b
Constant PWM modes
b
PWMAy...
PWEx=1
Logarithmic PWM mode
b
• LED driver mode
STOPz=0
LOG=1
(200Hz)
Application
Driver off
Over-temperature shut-off
Driver continuously on
LED Mode (245Hz logarithmic PWM)
Relay Mode (25kHz with automatic
duty-cycle adaption to VBAT_SENSE )
Driver on with adapted PWM
b
b
e520.01/02/03/08
• Relay-Hold-Phase
Adapted PWM mode
QM-No.: 25DS0054E.02
STOPz=0
RHEx=1
(25kHz)
b
b