NXP Semiconductors TDA5146T
The TDA5146T is a bipolar integrated circuit used to drive brushless DC motors in full–wave mode. The device senses the rotor position using an EMF –sensing technique and is ideally suited as a drive circuit for a hard disk drive motor or tape drive. Pin configuration 1994 May 18 4 Philips Semiconductors Product specification Brushless DC motor drive circuit TDA5146T FUNCTIONAL DESCRIPTION The TDA5146T offers a sensorless three phase motor drive function.| Part No. | TDA5146T |
|---|---|
| Datasheet | TDA5146T Download |
| Manufacturer |  NXP Semiconductors |
| Description | Brushless DC motor drive circuit |
| Buy | Stock & Price |
FEATURES
● Full–wave commutation (using push/pull drivers at the output stages) without position sensors● Built–in start–up circuit
● Three push–pull outputs: – 2 A output current (Typical) – Built–in current limiter
● Thermal protection
● Soft switching outputs
● Flyback diodes
● Tacho output sensor
● Brake function
● Direction control input
● Reset function
● FET driver stage to be used in a buck converter
APPLICATIONS
General purpose spindle driver (e.g., HDD, tape driver)GENERAL DESCRIPTION
QUICK REFERENCE DATA Measured over full voltage and temperature ranges Symbol VP Vsup VVMOT VDo ILIM Parameter Supply voltage range (Note 1) Supply for the FET driver voltage range Input voltage to the output driver stages (see Fig. 1) Driver output voltage drop IO= 100 mA Current limiting Min. 4 4 1.7 – 1.80 Typ. – – – 0.9 2.0 Max. 18 18 16 1.05 2.5 Unit V V V V A NOTES: 1. An unstabilized supply can be used 2. VVMOT=VP ; all outputs IO = 0 mA ORDERING AND PACKAGE INFORMATION Type number n mb...
