TLE4726G Infineon Technologies, TLE4726G Datasheet - Page 3

• Manufacturer Part Number: TLE4726G
• Description: IC STEPPER MOTOR DRVR PDSO-24-3
• Manufacturer: Infineon Technologies
• Type: Stepper Motor Controllerr

Specifications of TLE4726G

• Applications: Stepper Motor Driver, 2 Phase
• Number Of Outputs: 1
• Current - Output: 800mA
• Voltage - Supply: 5 V ~ 50 V
• Operating Temperature: -25°C ~ 110°C
• Mounting Type: Surface Mount
• Package / Case: DSO-24
• Operating Supply Voltage: 5 V to 50 V
• Supply Current: 20 mA
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Load: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: SP000011863; TLE4726GNT; TLE4726GT

Pin Definitions and Functions
Pin No.
1, 2, 23, 24
3
5, 6, 7, 8, 17,
18, 19, 20
4
10
9, 12
11
14
13, 16
15
21
22
Data Sheet
Function
Digital control inputs IX0, IX1 for the magnitude of the current of the
particular phase.
Input Phase 1; controls the current through phase winding 1. On
H-potential the phase current flows from Q11 to Q12, on L-potential in
the reverse direction.
Ground; all pins are connected internally.
Oscillator; works at approx. 25 kHz if this pin is wired to ground across
2.2 nF.
Resistor
Push-pull outputs Q11, Q12 for phase 1 with integrated free-wheeling
diodes.
Supply voltage; block to ground, as close as possible to the IC, with a
stable electrolytic capacitor of at least 10 F in parallel with a ceramic
capacitor of 220 nF.
Logic supply voltage; either supply with 5 V or connect to +
a series resistor. A Z-diode of approx. 7 V is integrated. In both cases
block to ground directly on the IC with a stable electrolytic capacitor of
10 F in parallel with a ceramic capacitor of 100 nF.
Push-pull outputs Q22, Q21 for phase 2 with integrated free-wheeling
diodes.
Resistor
Inhibit input; the IC can be put on standby by low potential on this pin.
This reduces the current consumption substantially.
Input phase 2; controls the current flow through phase winding 2. On
H-potential the phase current flows from Q21 to Q22, on L potential in
the reverse direction.
IX1
H
H
L
L
IX0
H
L
H
L
R
R
1
2
for sensing the current in phase 1.
for sensing the current in phase 2.
Phase
Current
0
1/3
2/3
I
max
I
I
max
max
3
Example of
Motor Status
No current
Hold
Set
Accelerate
typical
R
sense
= 1
I
max
with
750 mA
V
TLE 4726
1999-09-15
S
across