E-L9935 STMicroelectronics, E-L9935 Datasheet - Page 24

• Manufacturer Part Number: E-L9935
• Description: IC STEPPER MOTOR DVR 2PH 20PWRSO
• Manufacturer: STMicroelectronics
• Type: 2 Phase Stepper Motor Driverr

Specifications of E-L9935

• Applications: Stepper Motor Driver, 2 Phase
• Number Of Outputs: 1
• Current - Output: ±1.2A
• Voltage - Supply: 8 V ~ 24 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: PowerSO-20 Exposed Bottom Pad
• Product: Stepper Motor Controllers / Drivers
• Operating Supply Voltage: 14.4 V
• Supply Current: 4.5 mA
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Load: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Functional description
Table 11.
1. Motor resistance approximately 10Ω and V
24/29
bit 76543210 76543210
Lower resistivity of the motor may lead to detection of short to ground on both branches of the bridge leading to code 10 on
all steps.
XX111111
XX011111
XX011111
XX011111
XX011011
XX111011
XX010011
XX010111
XX010010
XX110010
XX011010
XX011110
XX011011
XX111011
XX010011
XX010111
XX010010
XX110010
SDI
-
Half step mode control sequences and diagnosis response
previous code
11111111
11011111
11011111
11011111
11011111
11011011
11111011
11010011
11010111
11110010
11011010
11011110
11011011
11111011
11010011
11010111
11010010
SDO
-
76
11
11
11
11
11
01
11
11
11
01
11
11
11
01
11
11
11
O
N
A
P
E
76
11
11
11
11
11
11
11
01
11
11
11
01
11
11
11
01
11
O
B
P
E
N
S
= 12V. So a short to ground only is detected on one branch of the bridge.
VS
A1
76
11
11
11
11
11
01
01
01
01
01
11
11
01
01
01
01
01
H
O
R
S
T
Doc ID 5198 Rev 9
A2
VS
76
11
01
01
01
01
01
11
11
11
01
01
01
01
01
11
11
11
O
S
H
R
T
Error cases and SDObit7, bit6
VS
B1
76
11
11
11
11
11
11
11
01
01
01
01
01
11
11
11
01
01
H
O
R
S
T
VS
B2
76
11
11
11
11
01
01
01
01
11
11
11
01
01
01
01
01
11
O
S
H
R
T
GND
A1
76
11
10
10
10
10
01
11
11
11
11
10
01
10
01
11
11
11
(1)
H
O
R
S
T
GND
A2
76
11
11
11
11
11
11
10
10
10
01
11
11
11
11
10
10
10
(1)
O
S
H
R
T
GND
B1
76
11
11
11
11
10
10
10
01
11
11
11
11
10
10
10
01
11
(1)
H
O
R
S
T
GND
B2
76
11
11
11
11
11
11
11
11
10
10
10
01
11
11
11
11
10
(1)
H
O
R
S
T
therm.
alarm
76
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
shut down
76543210
00111111
00111111
00111111
00111111
00111111
00111111
00111111
00111111
00111111
00111111
00111111
00111111
00111111
00111111
00111111
00111111
00111111
operating
codes)
therm.
(reset
L9935