TLE4727

Series: -
Number of Outputs: 1
Evaluation Tools: -
Voltage - Load: -
Packaging: Tube
Mounting Type: Through Hole
Package / Case: 20-DIP (0.300", 7.62mm)
Current - Output: 800mA
Operating Temperature: -40°C ~ 110°C
Applications: Stepper Motor Driver, 2 Phase
Manufacturer: Infineon Technologies
Voltage - Supply: 5 V ~ 16 V
Supplier Device Package: P-DIP-20


Features:

• 2 ´ 0.7 amp. outputs
• Integrated driver, control logic and current control
   (chopper)
• Fast free-wheeling diodes
• Max. supply voltage 45 V
• Outputs free of crossover current
• Offset-phase turn-ON of output stages
• All outputs short-circuit proof
• 5 V output for logic supply
• Error-flag for overload, open load, overtemperature


Pinout




Specifications

TA = 40 to 150 °
Parameter	Symbol	Limit Values		Unit	Remarks
		min.	max.
Supply voltage	VS	0.3	45	V	-
Error outputs	VErr IErr	0.3	45 3	V mA
Logic supply voltage	VL	0.3	6.5	V	-
Output current of VL	IL	5	1)	mA	1) Int. limited
Output current	IQ	-1	1	A	-
Ground current	IGND	-2	-	A	-
Logic inputs	VIxx		15	V	IXX ; Phase 1, 2; Inhibit
Oscillator voltage	VOsc	-0.3	6	V	-
R1, R2 input voltage	VRX	-0.3	5	V
Junction temperature	Tj	-	125 150	°C °C	max. 1,000 h
Storage temperature	Tstg	-50	125	°C	-
Thermal resistance Junction ambient Junction ambient (soldered on a 35 mm thick 20 cm2 PC board copper area) Junction case	Rth ja Rth ja Rth jc		56 40 18	K/W K/W K/W	Measured on pin 5
Operating Range
Supply voltage	VS	5	16	V	-
Current from logic supply	IL	-	5	mA	-
Case temperature	TC	40	110	°C	Measured on pin 5 Pdiss = 2 W
Output current	IQ	800	800	mA
Logic inputs	VIXX	5	6	V	IXX ; Phase 1, 2
Error output	VErr IErr	0	25 1	V mA

Description

The TLE4727 is a bipolar, monolithic IC for driving bipolar stepper motors, DC motors and other inductive loads that operate on constant current. The control logic and power output stages for two bipolar windings are integrated on a single chip which permits  switched current control of motors with 0.7 A per phase at operating voltages up to 16 V.

The direction and value of current are programmable for each phase via separate control inputs. A common oscillator generates the timing for the current control and turn-on with phase offset of the two output stages. The two output stages in a full-bridge configuration include fast integrated free-wheeling diodes and are free of crossover current. The TLE4727 can be driven directly by a microprocessor in several modes by programming phase direction and current control of each bridge independently.

A stabilized 5 V output allows the supply of external components up to 5 mA. With the error output the TLE4727 signals malfunction of the device. Setting the control inputs high resets the error flag and by reactivating the bridges one by one the location of the error can be found.

Parameters:

Technical/Catalog Information	TLE4727
Vendor	Infineon Technologies
Category	Integrated Circuits (ICs)
Applications	Stepper Motor Driver, 2 Phase
Number of Outputs	1
Voltage - Supply	5 V ~ 16 V
Voltage - Load	-
Current - Output	800mA
Operating Temperature	-40°C ~ 110°C
Package / Case	20-DIP
Packaging	Tube
Lead Free Status	Contains Lead
RoHS Status	RoHS Non-Compliant
Other Names	TLE4727 TLE4727