TPL9201

ACTIVO

Controlador de lado bajo NMOS de 24 V y 8 canales con LDO de 5 V y detección de cero voltios

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document-pdfAcrobat 8-Channel Relay Driver With Integrated 5-V LDO and Zero-Volt Detection datasheet (Rev. D) (Inglés)

TPL9201

ACTIVO

Hoja de datos

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Detalles del producto

Rating

Catalog

Operating temperature range (°C)

-40 to 125

Drivers per package

8

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

Rating

Catalog

Operating temperature range (°C)

-40 to 125

Drivers per package

8

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 x 6.4

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 V_IN 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 V_IN 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 V_IN 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 V_IN to help recirculate the energy in an inductive load at turn OFF.

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