Datasheet > BTS6460SF

BTS6460SF

更新时间： 2022-05-14 04:07:56

品牌	Logo	应用领域
英飞凌 - INFINEON		功率控制控制器
页数	文件大小	规格书
72页	2325K
描述
SPI Power Controller

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数据手册

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BTS6460SF 数据手册

SPOC - BTS6460SF

Overview

Configuration and status diagnosis are done via SPI. The SPI is daisy chain capable. The device provides a

current sense signal per channel that is multiplexed to the diagnosis pin IS. It can be enabled and disabled via SPI

commands. An over load and over temperature flag is provided in the SPI diagnosis word. A multiplexed switch

bypass monitor provides short-circuit to V_BBdiagnosis. In OFF state a current source can be switched to the output

of one selected channel in order to detect an open load.

Additionally, there is an integrated PWM generator implemented, which allows autonomous PWM operation with

programmable phase shifts, duty cycles and PWM frequencies. The status diagnosis and the current sense signal

is available for each channel.

The SPOC - BTS6460SF provides a fail-safe feature via limp home input pin.

The power transistors are built by N-channel vertical power MOSFETs with charge pumps.

Protective Functions

•

Reverse battery protection with external components

Reversave^TM- Reverse battery protection by self turn on of all channels

Short circuit protection

Over load protection

Thermal shutdown with latch and dynamic temperature sensor

Over current tripping

Over voltage protection

Loss of ground protection

Electrostatic discharge protection (ESD)

Diagnostic Functions

•

Multiplexed proportional load current sense signal (IS)

Enable function for current sense signal configurable via SPI

High accuracy of current sense signal at wide load current range

Current sense ratio (k_ILIS) configurable for LEDs or bulbs for channel 2 and 3

Very fast diagnosis in LED mode

Feedback on over temperature and over load via SPI

Multiplexed switch bypass monitor provides short circuit to V_BBdetection

Integrated, in two steps programmable current source for open load in OFF-state detection

Application Specific Functions

Fail-safe activation via LHI pin

•

Applications

•

High-side power switch for 12 V grounded loads in automotive applications

Especially designed for standard exterior lighting like high beam, low beam, indicator, parking light and

equivalent LEDs

•

Load type configuration via SPI (bulbs or LEDs) for optimized load control

Replaces electromechanical relays, fuses and discrete circuits

Data Sheet

Rev. 1.0, 2010-04-12

1 2 3 456 7 8...72

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