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L9396

  • L9396

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L9396 Overview

The L9396 is an integrated power management System Basis Chip targeting a large spectrum of automotive electronics applications, in particular ABS, EPS and Transmission, compatible with single (12 V) battery system.

It combines a switched mode power supply for pre-regulation along with 3 independent integrated linear regulators and a powerful configurable regulator for μC supply that can operate either in buck or linear mode with an external FET.

The device also integrates a 4-channel flexible interface for Wheel Speed Sensor or tracking regulation, 2 configurable pre-drivers for fail safe and motor pump, 1 configurable general purpose outputs, wake-up detection circuitry, advanced fail-safe functionality, watchdog control and system monitoring.

The boost regulator (optionally enabled) is intended to sustain cold cranking pulses, stop & start and weak battery conditions, while the buck pre-regulator drastically improves the power efficiency and CO2 emissions.

Different combinations enable to supply the system microcontroller and external peripheral loads and sensors with wide current ranges and adjustable voltage levels.

In addition, the L9396 provides enhanced system standby functionalities.

Features

  • AEC-Q100 qualified
  • Full ISO26262 compliant, ASIL-D systems ready
  • Integrated boost regulator, 9 V, 300 mA, 2 MHz (opt. populated diode & inductor) for deep cranking pulse (Stop&Start) & weak battery conditions
  • Integrated buck pre-regulator, 6.5 V / 7.2 V, 1 A, 465 kHz
  • Integrated LDO, 5 V, 250 mA for μC I/O and ADC supply
  • Integrated configurable LDO, 3.3 V / 5 V, 100 mA for μC I/O supply
  • Configurable and programmable regulator with external FET, 0.8 V to 5 V for μC core supply
  • up to 1 A in buck configuration
  • up to 750 mA in linear configuration
  • up to 1 A in buck configuration
  • up to 750 mA in linear configuration
  • Spread spectrum approach to reduce EMC emissions
  • Four channels configurable remote sensor interface
  • wheel speed sensor protocol
  • tracking regulator supply (3.3 V - 5 V)
  • reverse battery protection and integrated digital decoding
  • wheel speed sensor protocol
  • tracking regulator supply (3.3 V - 5 V)
  • reverse battery protection and integrated digital decoding
  • High-side pre-drivers for fail safe (On/off control) and for motor pump (PWM control)
  • SPI communication bus
  • Configurable 3.3 V / 5 V I/O level
  • Configurable and programmable double watchdog (Q&A WD and time-windowed WD)
  • Double voltage reference for regulated rail reference and monitoring
  • Configurable Fail-Safe Functionality (Mode / Safe Delay)
  • Fail-Safe Output (FSN)
  • Wake-up input
  • Low-side general purpose output with programmable PWM control
  • Integrated 10-bits ADC with system diagnostics
  • Discrete analog inputs for integrated ADC measurement (3 ch.)
  • Voltage monitoring UV/OV on all regulated rails
  • Temperature monitoring and thermal shutdown
  • Operating voltage: VBATP: 4.5 V to 19 V with boost; 6 V to 19 V without boost
  • Ambient temperature range: -40 °C to 135 °C
  • Package: TQFP64EP (10x10x1mm)
L9396
L9396

Product Parameters

  • prmis_id

    CP329648

  • item_name

    L9396

  • p_445

    No

  • p_1387

    3.2685

  • p_4418

    1000

  • parent_id

    PF253979

  • p_4906

    false

  • p_5113

    0

  • p_163

    Active

Technical Documents

  • AN5742 WSS operation with ST L9396Details>>

  • AN5702 L9396 Configuration and layoutDetails>>

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arrow L9396 STMicroelectronics Power Supply IC Automotive 64-Pin TQFP EP Tray

960---$8.0200

1000---$7.9390

2000---$7.8600

2500---$7.7810

3000---$7.7040

4000---$7.6270

5000---$7.5500

10000---$7.4750

25000---$7.4000

50000---$7.3260
digikey L9396 STMicroelectronics 10GX KCONN VERT.MOUNT

1---$252.3600
mouser L9396 STMicroelectronics Power Management Specialized - PMIC Automotive Multiple Power Supply IC

1---$10.6300

10---$9.6000

25---$9.1600

100---$7.9500

250---$7.5900

500---$6.9300
future L9396 STMicroelectronics Automotive Analog and Power-CHASSIS AND SAFETY ICS

960---$7.6600
newark L9396 STMicroelectronics Assp |Stmicroelectronics L9396

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avnet L9396 STMicroelectronics Switched Voltage Regulator IC’s Part 2 - Bulk (Alt: L9396)

960---$5.4396

1920---$5.3297

3840---$5.2198

5760---$5.1099

7680---$5.0000

9600---$4.8901

96000---$4.7802

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