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TPS92612 Single-Channel Linear LED Driver
Texas Instruments' 40 V, 150 mA LED driver is a constant-current source with protection
Texas Instruments' TPS92612 is a single-channel high-side linear LED driver operating from a wide range supply. It is a simple, elegant solution to deliver constant current for a single LED string. The driver can support off-board LED connections with long cables. The TPS92612 device can be used as a general constant-current source or current limiter in other applications. With LEDs being widely used as a light source, simple LED drivers are more and more popular. Compared to discrete solutions, a low-cost monolithic solution lowers system-level component counts and significantly improves current accuracy and reliability.
Features
- Single-channel high-precision current source:
- Current accuracy: ±4.6% (-40°C to +125°C)
- Current adjustable by an external sense resistor
- Max. current: up to 150 m
- Wide input-voltage range: 4.5 V to 40 V
- Brightness control by input PWM duty cycle
- Supports heat sharing with an external resistor
- Low dropout voltage (current-sense voltage drop included):
- Max. dropout: 150 mV at 10 mA, 400 mV at 70 mA, and 700 mV at 150 mA
- Operating junction temperature range: -40°C to +150°C
- Low quiescent current: 200 µA (typ.)
- LED short-circuit protection with auto-recovery and thermal shutdown
Applications
- LED drivers, constant-current sources, or current limiters for:
- Washers and dryers
- Refrigerators and freezers
- Gas detectors
- Factory automation and controls
- Building automation
- Medical
TPS92612 Single-Channel Linear LED Driver
| תמונה | מק"ט יצרן | תיאור | מתגים פנימיים | מתח - יציאה | זרם - יציאה / ערוץ | כמות זמינה | מחיר | הצגת הפרטים | |
|---|---|---|---|---|---|---|---|---|---|
 |  | TPS92612QDBVRQ1 | IC LED DRV LIN PWM 150MA SOT23-5 | לא | 0V ~ 40V | 150mA | מיידית - 2932 | $2.91 | הצגת הפרטים |
| | TPS92612DBVR | IC LED DRV LIN PWM 150MA SOT23-5 | לא | 0V ~ 40V | 150mA | מיידית - 3843 | $2.69 | הצגת הפרטים |
2020-06-29 תאריך הפרסום
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