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L9680TR
Power Management Specialized - PMIC for advanced airbag systems in mid to high-end automotive applications
Brands: Stmicroelectronics
Mfr.Part #: L9680TR
Datasheet: L9680TR Datasheet (PDF)
Package/Case: TQFP 100 14x14x1.0
RoHS Status:
Stock Condition: 5448 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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Add To BomL9680TR General Description
The L9680 is a chip that can be used in advanced airbag systems for mature airbag markets or in cut-off battery systems for integrated safety markets. This device is family compatible with the L9678 and L9679 devices. Safety system integration is enabled through higher power supply currents and integrated active wheel speed sensor interface. The active wheel speed interface is shared with the PSI-5 satellite interface to create a generic remote safety sensor interface compliant to both systems.High frequency power supply design allows further cost reduction by using smaller and less expensive external components. All switching regulators operate at 1.882 MHz while buck converters have integrated synchronous rectifiers.Additional attention is given to system integrity and diagnostics. The reserve capacitor is electrically isolated from the boost regulator by a 65 mA nominal fixed current source, controlling in-rush an additional capacitor discharge fixed current source is integrated to diagnose the reserve capacitor value and ESR. The same current sources can be used to discharge the capacitor at shutdown.Thanks to low quiescent current, the device can be directly connected to battery. In this way, the device start-up and shutdown are controlled through the wake-up input function. The power supply and crossover function are controlled automatically through the internal state machine.The user can select both ECU logic voltage (VCCat 3.3 V or 5.0 V) and energy reserve output voltage (at either 23 V or 33 V). Deployment voltage is set to a maximum of 25 V for all profiles and can be controlled through external safing switch circuit using the high side safing switch reference enabled through the system SPI interface or the arming logic.
Features
- AEC-Q100 qualified
- Boost regulator for energy reserve
- 1.882 MHz operation, Iload = 70 mA max
- Output voltage user selectable, 23 V/ 33 V ±5%
- Capacitor value & ESR diagnostics
- Boost regulator for PSI-5 SYNC pulse
- 1.882 MHz operation,
- Output voltage, 12 V/14.75 V, user configurable
- Buck regulator for remote sensor
- 1.882 MHz operation
- Output voltage, 7.2 V/9 V ±4%, user configurable
- Buck regulator for micro controller unit
- 1.882 MHz operation
- Output voltage user selectable, 3.3 V or 5.0 V ±3%
- Integrated energy reserve crossover switch
- 3 Ω - 912 mA max
- Switch active output indicator
- Battery voltage monitor & shutdown control with Wake-up control
- System voltage diagnostics with integrated ADC
- Squib/pyroswitch deployment drivers
- 12 channel HSD/LSD
- 25 V max deployment voltage
- Various deployment profiles
- Current monitoring
- Rmeasure, STB, STG & Leakage diagnostics
- High & low side driver FET tests
- High side safing switch regulator and enable control
- Four channel remote sensor interface
- PSI-5 satellite sensors
- Active wheel speed sensors
- Three channel GPO, HSD or LSD configurable, with PWM 0-100% control
- Nine channel hall-effect, resistive or switch sensor interface
- User customizable safing logic
- Specific disarm signal for passenger airbag
- Temporal and algorithmic Watchdog timers
- End of life disposal interface
- Temperature sensor
- 32 bit SPI communications
- 5.5 V minimum operating voltage at device battery pin
- Operating temperature, -40 to 95 °C
- Packaging - 100 pin
Application
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Operating Range | Automotive | Operating Temp Min Celsius | -40.0 |
| Operating Temp Max Celsius | 95.0 | Operating Voltage Min Volt | 6.0 |
| Operating Voltage Max Volt | 18.0 | ECCN US | EAR99 |
| ECCN EU | NEC | Packing Type | Tape And Reel |
| RoHs compliant | Ecopack2 | Grade | Automotive |
| Package Name | TQFP 100 14x14x1.0 |
Shipping
| Shipping Type | Ship Fee | Lead Time | |
|---|---|---|---|
 |
DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time：Shipping fee depend on different zone and country.
Payment
| Terms of payment | Hand Fee | |
|---|---|---|
 |
Wire Transfer | charge US$30.00 banking fee. |
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Paypal | charge 4.0% service fee. |
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Credit Card | charge 3.5% service fee. |
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Western Union | charge US.00 banking fee. |
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Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
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Step2 :Vacuum packaging
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Step3 :Anti-static bag
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Step4 :Individual packaging
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Step5 :Packaging boxes
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Step6 :bar-code shipping tag
All the products will packing in anti-staticbag. Ship with ESD antistatic protection.
Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.
We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.
After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.
We provide high quality products, thoughtful service and after sale guarantee
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We have rich products, can meet your various needs.
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Minimum order quantity starts from 1pcs.
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Lowest international shipping fee starts from $0.00
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365 days quality guarantee for all products
