Inicio Gestión de la energía DC/DC power modules Módulos de alimentación (inductor integrado)
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DC/DC power modules
Módulos de alimentación (inductor integrado)
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TPSM843A22E

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Entrada de 4 V a 18 V, SWIFT™ síncrono de 12 A; módulo de alimentación reductora con temperatura ext

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TPSM843A22E

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Detalles del producto

Rating Catalog Operating temperature range (°C) -55 to 125 Topology Buck, Synchronous Buck Type Module Iout (max) (A) 12 Vin (min) (V) 4 Vin (max) (V) 18 Vout (min) (V) 0.5 Vout (max) (V) 7 Switching frequency (min) (kHz) 500 Switching frequency (max) (kHz) 2200 Features Adjustable Switch Frequency, Adjustable current limit, Enable, External Sync, Frequency synchronization, Over Current Protection, Overvoltage protection, Power good, Soft Start Adjustable, Temperature sensing, Under Voltage Protection, Under voltage lock out Control mode ACM Duty cycle (max) (%) 100
Rating Catalog Operating temperature range (°C) -55 to 125 Topology Buck, Synchronous Buck Type Module Iout (max) (A) 12 Vin (min) (V) 4 Vin (max) (V) 18 Vout (min) (V) 0.5 Vout (max) (V) 7 Switching frequency (min) (kHz) 500 Switching frequency (max) (kHz) 2200 Features Adjustable Switch Frequency, Adjustable current limit, Enable, External Sync, Frequency synchronization, Over Current Protection, Overvoltage protection, Power good, Soft Start Adjustable, Temperature sensing, Under Voltage Protection, Under voltage lock out Control mode ACM Duty cycle (max) (%) 100
B3QFN (RDG) 25 48.75 mm² 7.5 x 6.5
  • Fixed-frequency, internally compensated advanced current mode (ACM) control
  • Integrated 6.5-mΩ and 2-mΩ MOSFETs, Inductor and basic passives
  • 4-V to 18-V input voltage range
  • 0.5-V to 7-V output voltage range
  • True differential remote sense amplifier (RSA)
  • Three selectable PWM ramp options to optimize the control loop performance
  • Five selectable switching frequencies: 500 kHz, 750 kHz, 1 MHz, 1.5 MHz, and 2.2 MHz
  • Synchronizable to an external clock
  • 0.5 V, ±1% voltage reference accuracy over full temperature range
  • 1-ms, 2-ms, 4-ms, and 8-ms selectable soft-start times
  • Monotonic start-up into prebiased outputs
  • Enable with adjustable input undervoltage lockout
  • Power-good output monitor
  • Output overvoltage, output undervoltage, input undervoltage, overcurrent, and overtemperature protection
  • –55°C to 125°C operating junction temperature
  • 6.5-mm × 7.5-mm × 4.0-mm, 25-pin over-molded QFN package
  • Lead-free (RoHS compliant)
  • Pin compatible with the 20 A - TPSM843B22E and 16 A - TPSM843A26E
  • Fixed-frequency, internally compensated advanced current mode (ACM) control
  • Integrated 6.5-mΩ and 2-mΩ MOSFETs, Inductor and basic passives
  • 4-V to 18-V input voltage range
  • 0.5-V to 7-V output voltage range
  • True differential remote sense amplifier (RSA)
  • Three selectable PWM ramp options to optimize the control loop performance
  • Five selectable switching frequencies: 500 kHz, 750 kHz, 1 MHz, 1.5 MHz, and 2.2 MHz
  • Synchronizable to an external clock
  • 0.5 V, ±1% voltage reference accuracy over full temperature range
  • 1-ms, 2-ms, 4-ms, and 8-ms selectable soft-start times
  • Monotonic start-up into prebiased outputs
  • Enable with adjustable input undervoltage lockout
  • Power-good output monitor
  • Output overvoltage, output undervoltage, input undervoltage, overcurrent, and overtemperature protection
  • –55°C to 125°C operating junction temperature
  • 6.5-mm × 7.5-mm × 4.0-mm, 25-pin over-molded QFN package
  • Lead-free (RoHS compliant)
  • Pin compatible with the 20 A - TPSM843B22E and 16 A - TPSM843A26E

The TPSM843A22E is a high-efficiency 18-V, 12-A synchronous buck module employing an internally compensated, fixed-frequency advanced current mode (ACM) control architecture, which while always operating under FCCM, generates output voltages from 0.5 V to 7 V. The module is capable of providing high efficiency while operating at a switching frequency up to 2.2 MHz. The module is in a 6.5-mm x 7.5-mm x 4-mm over-molded package, which makes it optimal for designs requiring a small solution size. Additional features include a high accuracy voltage reference, selectable soft-start times, monotonic start-up into prebiased outputs, selectable current limits, adjustable UVLO through the EN pin, and a full suite of fault protections.

The TPSM843A22E is a high-efficiency 18-V, 12-A synchronous buck module employing an internally compensated, fixed-frequency advanced current mode (ACM) control architecture, which while always operating under FCCM, generates output voltages from 0.5 V to 7 V. The module is capable of providing high efficiency while operating at a switching frequency up to 2.2 MHz. The module is in a 6.5-mm x 7.5-mm x 4-mm over-molded package, which makes it optimal for designs requiring a small solution size. Additional features include a high accuracy voltage reference, selectable soft-start times, monotonic start-up into prebiased outputs, selectable current limits, adjustable UVLO through the EN pin, and a full suite of fault protections.
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Documentación técnica

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* Data sheet TPSM843A22E 4-V to 18-V Input, 12-A, Buck Power Module with Advanced Current Mode Control and Extended Temperature datasheet PDF | HTML 23 ago 2023

Diseño y desarrollo

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Encapsulado Pines Símbolos CAD, huellas y modelos 3D
B3QFN (RDG) 25 Ultra Librarian
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