TLE82422LXUMA2
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Description:
8xCH LS CONST.CUR LQFP-64
Supplier:
INFINEON
Matchcode:
TLE8242-2L
Rutronik No.:
ICGDRV1209
Unit Pack:
1900
MOQ:
1900
package:
LQFP-64
Packaging:
REEL
Datasheet
Add to Project
Samples
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- Application
- DRV
- Channels
- 8
- R(on,typ)/Ch
- 100 mOhm
- R(on,typ)/Ch
- 100 mOhm
- Mounting
- SMD
- T(j,min)
- -40 °C
- T(j,max)
- 150 °C
- I(lim,max)/Ch
- 1.2 A
- OL Detection
- Yes
- Automotive
- NO
- Package
- LQFP-64
- RoHS Status
- RoHS-conform
- Packaging
- REEL
- Supplier Part
- SP000839948
- ECCN
- EAR99
- Customs Tariff No.
- 85423990000
- Country
- Malaysia
- ABC-Code
- A
- Supplier Lead time
- 28 weeks
The TLE8242-2L IC is an eight channel low-side constant current control pre-driver IC. Each channel can be configured to function either in direct PWM mode or in constant current mode by setting the appropriate CM bit in SPI message #1.
Summary of Features
- Low side constant current control pre-driver integrated circuit
- Four independent channels
- Output current programmable with 11 bit resolution
- Current range = 0 to 1.2A (typ.) with a 0.2Ohm sense resistor
- Resolution = 0.78125 mA/bit (typ.) with a 0.2Ohm
- sense resistor
- +/- 2% full scale error over temperature when autozero is used
- Programmable PWM frequency via SPI from approximately 50 Hz to 4 KHz (typ.)
- Interface and Control
- 32 Bit SPI (Serial Peripheral Interface) - Slave only
- ENABLE pin to disable all channels or freeze all channels
- Active low RESET_B pin resets internal registers to their default state and disables all channels.
- Open drain FAULT pin can be programmed to transition low when various faults are detected.
- 5.0V and 3.3V logic compatible I/O
- Protection
- Over current shutdown - monitored at POSx pin.
- Programmable over current threshold
- Programmable over current delay time
- Programmable over current retry time
- Battery pin (BAT) overvoltage shutdown
Benefits
- Sense resistor can be scaled to expand solenoid current range above 1.2A
- Minimal protection circuitry can be added in order to use the TLE8242-2L in 24V applications (commercial vehicles)
- Current profile detection feature can be use to determine movement of the solenoid armature
Target Applications
- Variable Force Solenoids (e.g. automatic transmission solenoids)
- Other constant current solenoids
- Idle Air Control
- Exhaust Gas Recirculation
- Vapor Management Valve
- Suspension Control
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