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Part Name(s) : U6268B Temic
Temic Semiconductors
Description : Side-airbag Sensor Dual Interface View

Description
The U6268B is an Interface IC for remote automotive Sensors. It links the crash Sensors in the driver- and passenger door with the main airbag unit in the dashboard. Two identical channels supply the external Sensors and receive digital information from them via one active wire each. The Interface supplies the external Sensors with a pre-regulated smoothed voltage, the external units transmit the digital information back to the Interface by current modulation.

Features
● Two identical Interface channels
● Provides a pre-regulated smoothed voltage and a supply current up to 50 mA for the Sensors
● Receives data from the Sensors by current modulation with a transmission rate of 60 kBaud (transmission bandwidth 500 kHz)
● Current modulation provides high noise immunity for data transfer
● TTL-compatible input activate the Sensor
● Data output can be directly connected to a microcontroller input
● Operation supply voltage range 5.7 V  VS  40 V
● ESD protection according to MIL-STD-883C test method 3015.7
● High-level EMI protection

Benefits
● Voltage supply and data transmission with one active wire over long distances

Part Name(s) : U6268B U6268B-MFPG3Y Atmel
Atmel Corporation
Description : Side-airbag Sensor Dual Interface View

Description
The U6268B is an Interface IC for remote automotive Sensors. It links the crash Sensors in the driver and passenger door with the main airbag unit in the dashboard. Two identical channels supply the external Sensors and receive digital information from them via one active wire each. The Interface supplies the external Sensors with a preregulated smoothed voltage, the external units transmit the digital information back to the Interface by current modulation.

Features
• Two Identical Interface Channels
• Pre-regulated Smoothed Voltage and a Supply Current up to 50 mA for the Sensors
• Data from the Sensors by Current Modulation with a Transmission Rate of 60 kBaud (Transmission Bandwidth 500 kHz)
• TTL-compatible Input Activates the Sensor
• Data Output Can be Directly Connected to a Microcontroller Input
• Operation Supply Voltage Range 5.7V ≤ VS ≤ 40V
• ESD Protection According to MIL-STD-883C Test Method 3015.7
• High-level EMI Protection

Benefits
• Simple Wiring Thanks to One Common Line for Supply of the Sensor and Data Transmission from the Sensor to the U6268B
• Current Modulation Provides High Noise Immunity for Data Transfer

Part Name(s) : CS2082 CS2082EDW20 CS2082EDWR20 ONSEMI
ON Semiconductor
Description : Dual Airbag Deployment ASIC View

The CS2082 controls and monitors two airbag firing loops. The independent firing loops are low– and high–side controlled. Device communication is through a Serial Peripheral Interface (SPI) port, and includes frame error detection circuitry for data reliability.

Features
• Serial Input Bus
• Two Squib Outputs
• Low– and High–Side Control
• Monitors
    – Squib Resistance
    – Short to Ground or Battery
    – Battery Potential
    – Firing Potential
• Safing Sensor Detection
• 60 V Peak Transient Voltage

Part Name(s) : CS2082 CS2082EDW20 CS2082EDWR20 ON-Semiconductor
ON Semiconductor
Description : Dual Airbag Deployment ASIC View

The CS2082 controls and monitors two airbag firing loops. The independent firing loops are low– and high–side controlled. Device communication is through a Serial Peripheral Interface (SPI) port, and includes frame error detection circuitry for data reliability.

Features
• Serial Input Bus
• Two Squib Outputs
• Low– and High–Side Control
• Monitors
    – Squib Resistance
    – Short to Ground or Battery
    – Battery Potential
    – Firing Potential
• Safing Sensor Detection
• 60 V Peak Transient Voltage


Part Name(s) : 33793 MC33793 MC33793D MC33793D/R2 MC33793DR2 Motorola
Motorola => Freescale
Description : DISTRIBUTED SYSTEM Interface (DSI) Sensor Interface View

Distributed System Interface (DSI) Sensor Interface



The 33793 is a slave Distributed System Interface (DSI) device that is optimized as a Sensor Interface. The device contains circuits to power Sensors such as accelerometers and to digitize the analog level from the Sensor. The

device is controlled by commands over the DSI bus and returns measured data over the bus.



Features

• 4-Channel, 8-Bit Analog-to-Digital Converter (ADC)

• 4 Pins Configurable as Analog orLogic Inputs or as Logic Outputs

• Provides Regulated +5.0 V Output for Sensor Power from Bus

• Additional High-Drive Logic Output

• Undervoltage Fault Detection and Signaling

• On-Board Clock (No External Elements Required)

• Field-Programmable Address

• Default and Field-Programmable as a DSI Daisy Chain Device

• Recognizes Reverse Initialization for Open Bus Fault Tolerance

• Detects Short to Battery on Bus Switch and Prevents Its Closure


Part Name(s) : LM9040M LM9040 National-Semiconductor
National ->Texas Instruments
Description : Dual Lambda Sensor Interface Amplifier View

General Description
The LM9040 is a Dual Sensor Interface circuit consisting of two independent sampled input differential amplifiers designed for use with conventional Lambda Oxygen Sensors. The Lambda Sensor is used for monitoring the oxygen concentration in the exhaust of gasoline engines using catalytic after treatment and will deliver a voltage signal which is dependent on the air-fuel mixture. The gain of the amplifiers are internally set and can directly convert the Lambda Sensor output voltage to a level suitable for A/D conversion in a system using a 5V reference.
The input common mode voltage range of each amplifier is g2V with respect to the IC ground pin. This will allow the IC to connect to Sensors which are remotely grounded at the engine exhaust manifold or exhaust pipe.
Each amplifier is capable of independent default operation should either, or both, of the leads to a Sensor become open circuited.
Noise filtering is provided by an internal switched capacitor low pass filter as part of each amplifier, and by external components.
The LM9040 is fully specified over the automotive temperature range of b40§C to a125§C and is provided in a 14-pin Small Outline surface mount package.

Features
■ Single 5V supply operation
■ Common mode input voltage range of g2V
■ Differential input voltage range of 50 mV to 950 mV
■ Sampled differential input
■ Switched capacitor low pass filter
■ Internal oscillator and VBB generator
■ Open input default operation
■ Cold Sensor default operation
■ Low power consumption (42 mW max)
■ Gain set by design and guaranteed over the operating temperature range

Applications
■ Closed loop emissions control
■ Catalytic converter monitoring

Part Name(s) : LM9040 LM9040M LM9040MX LM9040M/NOPB TI
Texas Instruments
Description : Dual Lambda Sensor Interface Amplifier View

DESCRIPTION
The LM9040 is a Dual Sensor Interface circuit consisting of two independent sampled input differential amplifiers designed for use with conventional Lambda Oxygen Sensors. The Lambda Sensor is used for monitoring the oxygen concentration in the exhaust of gasoline engines using catalytic after treatment and will deliver a voltage signal which is dependent on the air-fuel mixture. The gain of the amplifiers are internally set and can directly convert the Lambda Sensor output voltage to a level suitable for A/D conversion in a system using a 5V reference.
The input common mode voltage range of each amplifier is ±2V with respect to the IC ground pin. This will allow the IC to connect to Sensors which are remotely grounded at the engine exhaust manifold or exhaust pipe.
Each amplifier is capable of independent default operation should either, or both, of the leads to a Sensor become open circuited.
Noise filtering is provided by an internal switched capacitor low pass filter as part of each amplifier, and by external components.
The LM9040 is fully specified over the automotive temperature range of −40°C to +125°C and is provided in a 14-pin Small Outline surface mount package.

FEATURES
• Single 5V Supply Operation
• Common Mode Input Voltage Range of ±2V
• Differential Input Voltage Range of 50 mV to 950 mV
• Sampled Differential Input
• Switched Capacitor Low Pass Filter
• Internal Oscillator and VBB Generator
• Open Input Default Operation
• Cold Sensor Default Operation
• Low Power Consumption (42 mW max)
• Gain Set by Design Over the Operating Temperature Range

APPLICATIONS
• Closed Loop Emissions Control
• Catalytic Converter Monitoring

Part Name(s) : INA226 INA226AIDGSR INA226AIDGST TI
Texas Instruments
Description : High-Side or Low-Side Measurement, Bi-Directional Current and Power Monitor with I2C Compatible Interface View

Description
The INA226 is a current shunt and power monitor with an I2C™- or SMBUS-compatible Interface. The device monitors both a shunt voltage drop and bus supply voltage. Programmable calibration value, conversion times, and averaging, combined with an internal multiplier, enable direct readouts of current in amperes and power in watts.
The INA226 senses current on common-mode bus voltages that can vary from 0 V to 36 V, independent of the supply voltage. The device operates from a single 2.7-V to 5.5-V supply, drawing a typical of 330 μA of supply current. The device is specified over the operating temperature range between –40°C and 125°C and features up to 16 programmable address on the I2C-compatible Interface.

Features
• Senses Bus Voltages From 0 V to 36 V
• High-Side or Low-Side Sensing
• Reports Current, Voltage, and Power
• High Accuracy:
   – 0.1% Gain Error (Max)
   – 10 μV Offset (Max)
• Configurable Averaging Options
• 16 Programmable Addresses
• Operates from 2.7-V to 5.5-V Power Supply
• 10-Pin, DGS (VSSOP) Package

Applications
• Servers
• Telecom Equipment
• Computing
• Power Management
• Battery Chargers
• Power Supplies
• Test Equipment

Part Name(s) : EMC1201 EMC1202 EMC1201-AGZQ EMC1202-AGZQ EMC1201-AGZQ-TR EMC1202-AGZQ-TR SMSC
SMSC -> Microchip
Description : Single/Dual Single-Wire Temp Sensor in SOT23-5 Using SMSC BudgetBus™ Sensor Interface View

General Description

The EMC1201 and EMC1202 are temperature Sensors that communicate with a host over a single-wire SMSC BudgetBus™ Sensor Interface. The EMC1201 has an internal temperature Sensor and the EMC1202 adds one remote diode. Packaged in a SOT23-5, the EMC1201 provides an accurate, low-cost, low-current, solution for critical temperature monitoring in applications such as embedded systems or computers. When used in combination with an SMSC Super I/O host, such as a keyboard controller, a complete thermal management system is created. A power down mode extends battery life in portable applications. The internal 11-bit sigma delta temperature-to-digital converter provides superb linearity, high accuracy and excellent noise immunity.



Features

■ Single-wire SMSC BudgetBus™ Sensor Interface

■ Low Power, 3.0V to 3.6V Supply

   — < 50uA at 1 conversion per second

   — < 3uA in Standby

■ External Temperature Sensor

   — Range -63.875º C to +191.875º C

   — 0.125º C resolution

   — ±1º C Accuracy 60º C to 100º C

   — Diode Fault Reporting

■ Self Contained Internal Temperature Sensor

   — Range 0º C to +85º C

   — 0.125º C resolution

   — ±3º C Accuracy 0º C to 85º C

■ SOT23-5 Green, Lead-free Packages



Applications

■ Desktop and Notebook Computers

■ Thermostats

■ Smart batteries

■ Industrial/Automotive

■ Other Electronic Systems



 


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