홈 전력 관리 저압측 스위치
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저압측 스위치

TPL9201

활성

5V LDO 및 0V 감지를 지원하는 24V, 8채널 NMOS 저압측 드라이버

지금 주문하기
데이터 시트

TPL9201

활성
데이터 시트 지금 주문하기

제품 상세 정보

Drivers per package 8 Rating Catalog Operating temperature range (°C) -40 to 125 Output voltage (max) (V) 16.5 Peak output current (A) 0.15 Delay time (typ) (ns) 10, 80 Input compatibility CMOS Vol at lowest spec current (typ) (mV) 400 Iout/ch (max) (mA) 150 Iout_off (typ) (µA) 2
Drivers per package 8 Rating Catalog Operating temperature range (°C) -40 to 125 Output voltage (max) (V) 16.5 Peak output current (A) 0.15 Delay time (typ) (ns) 10, 80 Input compatibility CMOS Vol at lowest spec current (typ) (mV) 400 Iout/ch (max) (mA) 150 Iout_off (typ) (µA) 2
HTSSOP (PWP) 20 41.6 mm² (6.5 mm × 6.4 mm)
  • 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 Is 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

PowerPAD is a trademark of Texas Instruments.
  • 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 Is 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

PowerPAD is a trademark of Texas Instruments.

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.

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.

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기술 자료

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* 데이터 시트 8-Channel Relay Driver With Integrated 5-V LDO and Zero-Volt Detection datasheet (Rev. D) 2008. 2. 13

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