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参数资料
| 型号： | TLE7242-2G |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO28 |
| 封装： | GREEN, PLASTIC, DSO-28 |
| 文件页数： | 34/50页 |
| 文件大小： | 1210K |
| 代理商： | TLE7242-2G |
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TLE7242-2G
Overview
Data Sheet
4
Rev. 1.0, 2008-07-09
– Open load in on state
– Open load in off state
– Short to ground
– Test complete bit - indicates that fault detection test has completed
Control loop monitor capabilities
– The average current measurement over the last completed PWM cycle of each channel can be accessed
via SPI.
– The PWM duty cycle of each channel can be accessed via SPI
– The auto zero values used to null the offsets of the input amplifiers can be accessed via SPI
Required External Components:
– N-Channel Logic level (5V) MOSFET transistor with typical Ron
≤ 100 m (e.g. BSO604NS2)
– Recirculation diode (ultrafast)
– Sense resistor (0.2
for 1.2A average output current range)
Green Product (RoHS compliant)
AEC Qualified
1.2
Applications
Variable Force Solenoids (e.g. automatic transmission solenoids)
Other constant current solenoids
– Idle Air Control
– Exhaust Gas Recirculation
– Vapor Management Valve
– Suspension Control
1.3
General Description
The TLE7242 2G IC is a four channel low-side constant current control predriver IC. Each channel can be
configured to function either in on/off mode or in constant current mode by setting the appropriate MODE bit in SPI
message #7.
1.3.1
On / Off Mode Operation
For On/Off operation, the POSx and NEGx pins must be connected to the circuit in either of the configurations
shown in Figure 1. If the sense resistor is included, the load current can be monitored by the microcontroller via
a SPI command. The open load in on state fault detection feature is disabled in on/off mode.
Note: An external flyback clamp is required in this configuration otherwise the IC may be damaged.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TLE72422GXUMA1 | 制造商:Infineon Technologies AG 功能描述:Constant Current Control 28-Pin DSO 制造商:Infineon Technologies AG 功能描述:TRANSMISSION_IC - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC CURRENT SOURCE DSO28 |
| TLE7243SL | 功能描述:电源开关 IC - 配电 MC RELAY + LED RoHS:否 制造商:Exar 输出端数量:1 开启电阻（最大值）:85 mOhms 开启时间（最大值）:400 us 关闭时间（最大值）:20 us 工作电源电压:3.2 V to 6.5 V 电源电流（最大值）: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5 |
| TLE7243SLFUMA1 | 制造商:Infineon Technologies AG 功能描述:MC RELAY + LED 制造商:Infineon Technologies AG 功能描述:MC RELAY + LED - Tape and Reel |
| TLE7243SLXUMA2 | 制造商:Infineon Technologies AG 功能描述:Power Switch Lo Side 0.26A 制造商:Infineon Technologies AG 功能描述:Power Switch Lo Side 0.26A 24-Pin SSOP 制造商:Infineon Technologies AG 功能描述:IC DRIVER SPI 8CH LS 24SSOP |
| TLE7244SL | 功能描述:电源开关 IC - 配电 MC RELAY + LED RoHS:否 制造商:Exar 输出端数量:1 开启电阻（最大值）:85 mOhms 开启时间（最大值）:400 us 关闭时间（最大值）:20 us 工作电源电压:3.2 V to 6.5 V 电源电流（最大值）: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5 |
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