Startseite Energiemanagement Linear- und Low-Dropout-Regler (LDO)
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Linear- und Low-Dropout-Regler (LDO)

TPS7B63-Q1

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Low-Drop-Out-Spannungsregler für die Automobilindustrie, 300 mA, batteriebetrieben (40 V), hoher PSR

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Datenblatt

TPS7B63-Q1

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Output options Fixed Output Iout (max) (A) 0.3 Vin (max) (V) 40 Vin (min) (V) 4 Vout (max) (V) 5 Vout (min) (V) 3.3 Fixed output options (V) 3.3, 5 Iq (typ) (mA) 0.019 Thermal resistance θJA (°C/W) 40 TI functional safety category Functional Safety-Capable Rating Automotive Load capacitance (min) (µF) 4.7 Regulated outputs (#) 1 Features Enable, Power good, Watchdog timer Accuracy (%) 2 PSRR at 100 KHz (dB) 55 Dropout voltage (Vdo) (typ) (mV) 300 Operating temperature range (°C) -40 to 125
Output options Fixed Output Iout (max) (A) 0.3 Vin (max) (V) 40 Vin (min) (V) 4 Vout (max) (V) 5 Vout (min) (V) 3.3 Fixed output options (V) 3.3, 5 Iq (typ) (mA) 0.019 Thermal resistance θJA (°C/W) 40 TI functional safety category Functional Safety-Capable Rating Automotive Load capacitance (min) (µF) 4.7 Regulated outputs (#) 1 Features Enable, Power good, Watchdog timer Accuracy (%) 2 PSRR at 100 KHz (dB) 55 Dropout voltage (Vdo) (typ) (mV) 300 Operating temperature range (°C) -40 to 125
HTSSOP (PWP) 16 32 mm² 5 x 6.4
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to 125°C, TA
  • Maximum output current: 300 mA
  • 4-V to 40-V wide VIN input-voltage range with up to 45-V transients
  • Fixed 3.3-V and 5-V outputs
  • Maximum dropout voltage: 400 mV at 300 mA
  • Stable with output capacitor in wide range of capacitance (4.7 µF to 500 µF) and ESR (0.001 Ω to 20 Ω)
  • Low quiescent current (I(Q)):
    • < 4 µA when EN is low (shutdown mode)
    • 19 µA typical at light loads with WD_EN high (watchdog disabled)
  • Configurable for window watchdog or standard watchdog
  • Open-to-closed window ratio configurable as 1:1 or 8:1
  • Fully adjustable watchdog period (from 10 ms to 500 ms)
  • 10% accurate watchdog period
  • Dedicated WD_EN pin to control watchdog ON-OFF
  • Fully adjustable power-good threshold and power-good delay period
  • Low input-voltage tracking to UVLO
  • Integrated fault protection
    • Overload current-limit protection
    • Thermal shutdown
  • Functional Safety-Capable
    • Documentation available to aid functional safety system design
  • 16-pin HTSSOP package
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to 125°C, TA
  • Maximum output current: 300 mA
  • 4-V to 40-V wide VIN input-voltage range with up to 45-V transients
  • Fixed 3.3-V and 5-V outputs
  • Maximum dropout voltage: 400 mV at 300 mA
  • Stable with output capacitor in wide range of capacitance (4.7 µF to 500 µF) and ESR (0.001 Ω to 20 Ω)
  • Low quiescent current (I(Q)):
    • < 4 µA when EN is low (shutdown mode)
    • 19 µA typical at light loads with WD_EN high (watchdog disabled)
  • Configurable for window watchdog or standard watchdog
  • Open-to-closed window ratio configurable as 1:1 or 8:1
  • Fully adjustable watchdog period (from 10 ms to 500 ms)
  • 10% accurate watchdog period
  • Dedicated WD_EN pin to control watchdog ON-OFF
  • Fully adjustable power-good threshold and power-good delay period
  • Low input-voltage tracking to UVLO
  • Integrated fault protection
    • Overload current-limit protection
    • Thermal shutdown
  • Functional Safety-Capable
    • Documentation available to aid functional safety system design
  • 16-pin HTSSOP package

In automotive microcontroller or microprocessor power-supply applications, the watchdog is used to monitor the microcontroller working status to prevent software runaway. The watchdog must be independent of the microcontroller in a reliable system.

The TPS7B63xx-Q1 is a family of 300-mA watchdog low-dropout regulators (LDOs) designed for an operating voltage up to 40 V, with typical quiescent current of only 19 µA at light load. The devices integrate a programmable function for selecting a window watchdog or standard watchdog, with an external resistor to set the watchdog time within 10% accuracy.

The PG pin on the TPS7B63xx-Q1 devices indicate when the output voltage is stable and in regulation. The power-good delay period and power-good threshold can be adjusted by selecting external components. The devices also feature integrated short-circuit and overcurrent protection. The combination of such features makes these devices particularly flexible and suitable to supply microcontroller in automotive applications.

In automotive microcontroller or microprocessor power-supply applications, the watchdog is used to monitor the microcontroller working status to prevent software runaway. The watchdog must be independent of the microcontroller in a reliable system.

The TPS7B63xx-Q1 is a family of 300-mA watchdog low-dropout regulators (LDOs) designed for an operating voltage up to 40 V, with typical quiescent current of only 19 µA at light load. The devices integrate a programmable function for selecting a window watchdog or standard watchdog, with an external resistor to set the watchdog time within 10% accuracy.

The PG pin on the TPS7B63xx-Q1 devices indicate when the output voltage is stable and in regulation. The power-good delay period and power-good threshold can be adjusted by selecting external components. The devices also feature integrated short-circuit and overcurrent protection. The combination of such features makes these devices particularly flexible and suitable to supply microcontroller in automotive applications.
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Technische Dokumentation

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* Data sheet TPS7B63xx-Q1 300-mA, 40-V High-Voltage, Ultra-Low-Quiescent-Current Watchdog LDO datasheet (Rev. C) PDF | HTML 14 Dez 2022
Functional safety information TPS7B63-Q1 Functional Safety FIT Rate, FMD and Pin FMA (Rev. A) 10 Jun 2020
Technical article Discrete SBCs: versatile and scalable solutions for any application PDF | HTML 27 Jul 2017

Design und Entwicklung

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Evaluierungsplatine

TPS7B6350EVM — TPS7B6350-Q1 300-mA-Watchdog-LDO-Regler – Evaluierungsmodul

The TPS7B6350EVM evaluation module (EVM) helps you evaluate the operation and performance of the TPS7B6350-Q1 watchdog low-dropout (LDO) regulator. The TPS7B6350-Q1 is a monolithic integrated 40-V 300-mA watchdog LDO regulator in a 16-pin HTSSOP package. The device is (...)

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TPS7B6333-Q1 PSpice Transient Model

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TPS7B6350-Q1 PSpice Transient Model

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