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reference designDRV8908-Q1 | Demoboard DRV8908-Q1EVM

Texas Instruments DRV8908-Q1 | Demoboard DRV8908-Q1EVM

Automotive 32-V, 6-A 8 channel half-bridge driver

Overview

TopologyHalf-Bridge Converter symmetrical isolated
Input voltage4.5-32 V
Output 140 V
IC revisionc

Description

The DRV8908-Q1 evaluation module (EVM) is an application board design to allow easy evaluation of the DRV8908-Q1 device. The DRV8908-Q1 device is an integrated 4.5-V to 32-V 8 channel H-bridges for automotive applications such as control of heating, ventilation, and airconditioning (HVAC) flap DC motor.A standard 16-bit serial peripheral interface (SPI) provides a simple method for configuring the various device settings and reading fault diagnostic information through an external controller. For more information on this evaluation module please refer to the DRV89xx-Q1EVM User's Guide.

Features

  • AEC-Q100 qualified for automotive applications
  • 4, 6, 8, 10 and 12 half-bridge outputs
  • 4.5-V to 32-V operating voltage
  • 40-V absolute maximum voltage
  • 1-A RMS current for each output
  • 6-A maximum current for paralleled outputs
  • Low-power sleep mode (1.5-µA)
  • Supports 3.3-V and 5-V logic inputs
  • SPI for configuration and diagnostics
  • 5-MHz, 16-Bit SPI communication
  • Daisy chain functionality
  • PWM generators programmable over SPI
  • Individual half-bridge PWM operation
  • Configurable for high-side, low-side, and H-bridge load driving
  • Supports 8-bit duty cycle resolution
  • Integrated protection features with per channel detailed diagnostics over SPI
  • nFAULT pin output
  • VM undervoltage lockout (UVLO)
  • VM overvoltage protection (OVP)
  • Logic supply power on reset (POR)
  • Overcurrent protection (OCP)
  • Enhanced open load detection (OLD)
  • Thermal warning and shutdown (OTW/OTSD)

More information

Parts approved by Texas Instruments

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Order Code
Data­sheet
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λPeak typ.(nm)
IV typ.(mcd)
VF typ.(V)
Chip Technology
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IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
Material
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SamplesAvailability & Sample
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744325120
SPECWE-HCI SMT Flat Wire High Current Inductor, 2, –

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Pins2 
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Inductance1.2 µH
Performance Rated Current32.6 A
Saturation Current @ 10%12 A
Saturation Current @ 30%25 A
DC Resistance1.8 mΩ
Self Resonant Frequency75 MHz
MaterialSuperflux 
Packaging Unit700 
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150060SS75000
SPECWL-SMCW SMT Mono-color Chip LED Waterclear, –, 630 nm
Simu­lation
Availability
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Downloads27 files

RAY files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear
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Dominant Wavelength [typ.]630 nm
Emitting ColorSuper Red 
Peak Wavelength [typ.]645 nm
Luminous Intensity [typ.]60 mcd
Forward Voltage [typ.]1.9 V
Chip TechnologyAlInGaP 
Viewing Angle Phi 0° [typ.]140 °
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Packaging Unit4000 
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150060VS75000
SPECWL-SMCW SMT Mono-color Chip LED Waterclear, –, 570 nm
Simu­lation
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear
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Dominant Wavelength [typ.]570 nm
Emitting ColorBright Green 
Peak Wavelength [typ.]572 nm
Luminous Intensity [typ.]40 mcd
Forward Voltage [typ.]2 V
Chip TechnologyAlInGaP 
Viewing Angle Phi 0° [typ.]140 °
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Packaging Unit4000 
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691137710002
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Simu­lation–
Availability
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Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-TBL Series 1377 - Wire Protector 5.00mm pitch - Horizontal cable entry - THT
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