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TPL9201N Datasheet(PDF) 1 Page - Texas Instruments |
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TPL9201N Datasheet(HTML) 1 Page - Texas Instruments |
1 / 14 page www.ti.com FEATURES APPLICATIONS ZVS OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 OUT8 GND SYN V IN 5V OUT SCLK NCS MOSI RST R DELAY EN1 GND 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 NORPWPPACKAGE (TOPVIEW) DESCRIPTION/ORDERING INFORMATION TPL9201 MICROCONTROLLER POWER SUPPLY AND MULTIPLE LOW-SIDE DRIVER SLIS123A – JUNE 2006 – REVISED JUNE 2006 • Electrical Appliances • Eight Low-Side Drivers With Internal Clamp for Inductive Loads and Current Limiting for – Air Conditioning Units Self Protection – Ranges – Seven Outputs Rated at 150 mA and – Dishwashers Controlled Through Serial Interface – Refrigerators – One Output Rated at 150 mA and – Microwaves Controlled Through Serial Interface and – Washing Machines Dedicated Enable Pin • General-Purpose Interface Circuits, Allowing • 5-V ±5% Regulated Power Supply With Microcontroller Interface to Relays, Electric Motors, LEDs, and Buzzers 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 Is Asserted Low (40 µs Typ) • Zero-Voltage Detection Signal With Built-In Filter of 20 µs • Thermal Shutdown for Self Protection The power supply provides regulated 5-V output to power the system microcontroller and drive eight low-side switches. The AC zero-detect circuitry is monitoring the crossover voltage of the mains AC supply. The resultant signal is a low-frequency clock output on the ZVS terminal, based on the AC-line cycle. This information allows the microcontroller to reduce in-rush current by powering loads on the AC-line peak voltage. A serial communications interface controls the eight low-side outputs; each output has an internal snubber circuit to absorb the energy in the inductor at turn OFF. Alternatively, the system can use a fly-back diode to VIN to help recirculate the energy in an inductive load at turn OFF. ORDERING INFORMATION TA PACKAGE ORDERABLE PART NUMBER TOP-SIDE MARKING PDIP – N Tube of 20 TPL9201N TPL9201 –40 °C to 125°C Reel of 2000 TPL9201PWPR PowerPAD™ – PWP IC9201 Tube of 70 TPL9201PWP Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PowerPAD is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2006, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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