L9780

批量生产
Education

多种空气燃料传感器控制接口

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概述
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样片和购买
解决方案
文件
CAD资源
工具与软件
质量与可靠性
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Sales Briefcase

产品概述

描述

L9780 is an IC designed to interface a variety of wide range air fuel sensors. The device manages the oxygen pump of the wide range air fuel sensor by means of a voltage controlled current source (VCCS). The reference for the VCCS is generated by a PI controller with external compensation network in order to adapt the device to different sensors. The user can choose between two different networks using the SPI interface. L9780 is fully compatible with most sensors on the market.
The internal timing state machine automatically manages all the operations needed for a right sequencing of the measurement process. All the main time values can be configured by SPI.
L9780 drives also an external FET used to control the sensor heater. The device protects the sensor and all the I/O against shorts and provides the diagnosis by SPI.
  • 所有功能

    • Voltage controlled current source (VCCS) pump cell driver with selectable voltage clamp, offset compensation, diagnostic (short to battery) and 2 output channels
    • Impedance measurement of reference cell
    • 10-bit multiplexed A/D converter
    • Scaling amplifier with sample & hold and offset compensation
    • Control voltage amplifier with sample & hold and offset compensation
    • Synchronous or asynchronous functionality selectable via SPI
    • Heater FET driver with diagnostic (short to battery, short to ground, open circuit)
    • 4 possible levels for clean current
    • SPI with fault detection
    • Digital input and outputs compatible with 5 V or 3.3 V voltage supply
    • 2 channels available to connect compensation networks
    • Short to battery diagnostic on functional ground (pin SR)
    • Short to battery/ground diagnostic on voltage from reference cell (pin INRC)
    • -5 V internal supply
    • 4 MHz internal oscillator
    • Package: 48 pin LQFP
    • Technology: BCD5s_70 V

EDA符号、封装和3D模型

STMicroelectronics - L9780

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符号

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封装

3D model

3D模型

质量与可靠性

产品型号 Marketing Status 封装 等级规格 符合RoHS级别 材料声明**
L9780
批量生产
LQFP 48 7x7x1.4 mm 汽车应用 Ecopack2
L9780TR
批量生产
LQFP 48 7x7x1.4 mm 汽车应用 Ecopack2

L9780

Package:

LQFP 48 7x7x1.4 mm

Material Declaration**:

PDF XML

Marketing Status

批量生产

Package

LQFP 48 7x7x1.4 mm

Grade

Automotive

RoHS Compliance Grade

Ecopack2

L9780TR

Package:

LQFP 48 7x7x1.4 mm

Material Declaration**:

PDF XML

Marketing Status

批量生产

Package

LQFP 48 7x7x1.4 mm

Grade

Automotive

RoHS Compliance Grade

Ecopack2

(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此,它们可能不是100%适用于特定的设备。有关特定设备的信息,请联系 销售支持

样片和购买

产品型号
从分销商订购
从ST订购
供货状态
ECCN (US)
ECCN (EU)
包装类型
封装
温度(ºC) Country of Origin
Budgetary Price (US$)*/Qty
最小值
最大值
L9780TR 无法联系到经销商,请联系我们的销售办事处
批量生产
EAR99 NEC Tape And Reel LQFP 48 7x7x1.4 mm -40 125 MALAYSIA 4.24 / 1k
L9780 无法联系到经销商,请联系我们的销售办事处
批量生产
EAR99 NEC Tray LQFP 48 7x7x1.4 mm -40 125 MALAYSIA 4.24 / 1k

L9780TR

供货状态

批量生产

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

4.24 / 1k

ECCN (EU)

NEC

包装类型

Tape And Reel

封装

LQFP 48 7x7x1.4 mm

Operating Temperature (°C)

(最小值)

-40

(最大值)

125

Budgetary Price (US$)* / Qty

4.24 / 1k

Country of Origin

MALAYSIA

L9780

供货状态

批量生产

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

4.24 / 1k

ECCN (EU)

NEC

包装类型

Tray

封装

LQFP 48 7x7x1.4 mm

Operating Temperature (°C)

(最小值)

-40

(最大值)

125

Budgetary Price (US$)* / Qty

4.24 / 1k

Country of Origin

MALAYSIA

(*) 建议转售单价(美元)仅用于预算用途。如需以当地货币计价的报价,请联系您当地的 ST销售办事处 或我们的 经销商