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TPIC74100-Q1

ACTIVE

550kHz 1.5V to 40V, 1A buck-boost converter with 5V fixed output voltage, AEC-Q100 qualified

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Data sheet

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TPIC74100-Q1

ACTIVE
Data sheet Order now

Product details

Rating Automotive Operating temperature range (°C) -40 to 125 Topology Buck-Boost Type Converter Vin (min) (V) 1.5 Vin (max) (V) 40 Switching frequency (min) (kHz) 330 Switching frequency (max) (kHz) 550 Features Enable, Light Load Efficiency, Power good, Synchronous Rectification Vout (min) (V) 5 Vout (max) (V) 5 Iq (typ) (µA) 100 Duty cycle (max) (%) 99 Switch current limit (typ) (A) 1.5
Rating Automotive Operating temperature range (°C) -40 to 125 Topology Buck-Boost Type Converter Vin (min) (V) 1.5 Vin (max) (V) 40 Switching frequency (min) (kHz) 330 Switching frequency (max) (kHz) 550 Features Enable, Light Load Efficiency, Power good, Synchronous Rectification Vout (min) (V) 5 Vout (max) (V) 5 Iq (typ) (µA) 100 Duty cycle (max) (%) 99 Switch current limit (typ) (A) 1.5
HTSSOP (PWP) 20 41.6 mm² 6.5 x 6.4
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device HBM ESD Classification level 1B for
      pin 7 (L2), pin 8 (VOUT), pin 9 (5Vg)
    • Device HBM ESD Classification 2 for pins 1–6
      and 10–20
    • Device CDM ESD Classification Level C4B
  • Switch-Mode Regulator
    • 5 V ±2%, Normal Mode
    • 5 V ±3%, Low-Power or Crossover Mode
  • Switching Frequency, 440 kHz (typical)
  • Input Operating Range, 1.5 V to 40 V, (Vdriver)
    • 1-A Load-Current Capability
    • 200-mA Load-Current Capability Down to 2-V
      Input (Vdriver)
    • 120-mA Load-Current Capability Down to
      1.5-V Input (Vdriver)
  • Enable Function
  • Low-Power Operation Mode
  • Switched 5-V Regulated Output on 5Vg With
    Current Limit
  • Programmable Slew Rate and Frequency
    Modulation for EMI Consideration
  • Reset Function With Deglitch Timer and
    Programmable Delay
  • Alarm Function for Undervoltage Detection and
    Indication
  • Thermally Enhanced Package for Efficient Heat
    Management
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device HBM ESD Classification level 1B for
      pin 7 (L2), pin 8 (VOUT), pin 9 (5Vg)
    • Device HBM ESD Classification 2 for pins 1–6
      and 10–20
    • Device CDM ESD Classification Level C4B
  • Switch-Mode Regulator
    • 5 V ±2%, Normal Mode
    • 5 V ±3%, Low-Power or Crossover Mode
  • Switching Frequency, 440 kHz (typical)
  • Input Operating Range, 1.5 V to 40 V, (Vdriver)
    • 1-A Load-Current Capability
    • 200-mA Load-Current Capability Down to 2-V
      Input (Vdriver)
    • 120-mA Load-Current Capability Down to
      1.5-V Input (Vdriver)
  • Enable Function
  • Low-Power Operation Mode
  • Switched 5-V Regulated Output on 5Vg With
    Current Limit
  • Programmable Slew Rate and Frequency
    Modulation for EMI Consideration
  • Reset Function With Deglitch Timer and
    Programmable Delay
  • Alarm Function for Undervoltage Detection and
    Indication
  • Thermally Enhanced Package for Efficient Heat
    Management

The TPIC74100 is a switch-mode regulator with integrated switches for voltage-mode control. With the aid of external components (LC combination), the device regulates the output to 5 V ±3% for a wide input-voltage range.

The TPIC74100 offers a reset function to detect and indicate when the 5-V output rail is outside of the specified tolerance. This reset delay is programmable using an external timing capacitor on the REST pin. Additionally, an alarm (AOUT) feature is activated when the input supply rail Vdriver is below a prescaled specified value (set by the AIN pin).

The TPIC74100 has a frequency-modulation scheme to minimize EMI. The clock modulator permits a modulation of the switching frequency to reduce interference energy in the frequency band.

The 5Vg output is a switched 5-V regulated output with internal current limiting to prevent RESET from being asserted when powering a capacitive load on the supply line. This function is controlled by the 5Vg_ENABLE pin. If there is a short to ground on this output (5Vg output), the output self-protects by operating in a chopping mode. This does, however, increase the output ripple voltage on VOUT during this fault condition.

The TPIC74100 is a switch-mode regulator with integrated switches for voltage-mode control. With the aid of external components (LC combination), the device regulates the output to 5 V ±3% for a wide input-voltage range.

The TPIC74100 offers a reset function to detect and indicate when the 5-V output rail is outside of the specified tolerance. This reset delay is programmable using an external timing capacitor on the REST pin. Additionally, an alarm (AOUT) feature is activated when the input supply rail Vdriver is below a prescaled specified value (set by the AIN pin).

The TPIC74100 has a frequency-modulation scheme to minimize EMI. The clock modulator permits a modulation of the switching frequency to reduce interference energy in the frequency band.

The 5Vg output is a switched 5-V regulated output with internal current limiting to prevent RESET from being asserted when powering a capacitive load on the supply line. This function is controlled by the 5Vg_ENABLE pin. If there is a short to ground on this output (5Vg output), the output self-protects by operating in a chopping mode. This does, however, increase the output ripple voltage on VOUT during this fault condition.
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Technical documentation

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Type Title Date
* Data sheet TPIC74100-Q1 Buck and Boost Switch-Mode Regulator datasheet (Rev. B) PDF | HTML 05 Dec 2014
EVM User's guide TPIC74100EVM User's Guide (Rev. A) PDF | HTML 11 Jul 2022
Application note Improve the TPIC74100 Load Transient Performance with Suitable Inductor and Capa 23 Aug 2018
Technical article Solving voltage transient challenges with an integrated buck-boost converter PDF | HTML 12 Mar 2018
Application note TPIC74100-Q1 Buck/Boost Switch Mode Regulator (Rev. B) 22 Sep 2010

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Simulation model

TPIC74100 TINA Transient reference design

SLIM325.TSC (366 KB) - TINA-TI Reference Design
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Simulation model

TPIC74100-Q1 PSpice Transient Model

SLIM313.ZIP (73 KB) - PSpice Model
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Simulation model

TPIC74100-Q1 TINA-TI Transient Spice Model

SLIM326.ZIP (44 KB) - TINA-TI Spice Model
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HTSSOP (PWP) 20 Ultra Librarian
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