TPIC9201

www.ti.com TPIC9201 MICROCONTROLLER POWER SUPPLY AND MULTIPLE LOW-SIDE DRIVER SLIS115D – APRIL 2005 – REVISED FEBRUARY 2008 FEATURES 1 2 Eight Low-Side Drivers With Internal Clamp for Inductive Loads and Current Limiting for Self Protection – Seven Outputs Rated at 150 mA and Controlled Through Serial Interface – One Output Rated at 150 mA and Controlled Through Serial Interface and Dedicated Enable Pin 5-V ± 5% Regulated Power Supply With 200-mA Load Capability at VIN Max of 18 V Internal Voltage Supervisory for Regulated Output Serial Communications for Control of Eight Low-Side Drivers Enable/Disable Input for OUT1 5-V or 3.3-V I/O Tolerant for Interface to Microcontroller Programmable Power-On Reset Delay Before RST Asserted High, Once 5 V Is Within Specified Range (6 ms Typ) Programmable Deglitch Timer Before RST Asserted Low (40 µs Typ) Zero-Voltage Detection Signal Thermal Shutdown for Self Protection APPLICATIONS Electrical Appliances – Air Conditioning Units – Ranges – Dishwashers – Refrigerators – Microwaves – Washing Machines General-Purpose Interface Circuits, Allowing Microcontroller Interface to Relays, Electric Motors, LEDs, and Buzzers N OR PWP PACKAGE (TOP VIEW) ZVS 1 OUT1 2 OUT2 3 OUT3 4 OUT4 5 OUT5 6 OUT6 7 OUT7 8 OUT8 9 GND 10 20 SYN 19 V IN 18 5V OUT 17 SCLK 16 NCS 15 MOSI 14 RST R13 DELAY 12 EN1 11 GND DESCRIPTION/ORDERING INFORMATION The power supply provides regulated 5-V output to power the system microcontroller...