TPS92360 Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock
TPS92360 is a boost-mode LED driver IC from Texas Instruments with 1.2A current capability and PWM dimming support in a compact SC-70-5 package. It regulates LED strings via step-up DC-DC conversion for consistent brightness across varying input voltages. Available from stock worldwide with competitive pricing.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- TPS92360 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 1.2A peak switch current in boost topology supports multi-LED string drive from sub-battery voltages
- PWM dimming input enables flicker-free luminance control with duty cycles down to 1% for display backlighting
- Ultra-compact SC-70-5 (5-pin SOT-23) footprint occupies under 5 mm² board area for space-critical LED modules
Applications
TPS92360 is suited for portable device backlighting, LED indicator panels, and handheld equipment requiring regulated LED current from a Li-ion or alkaline cell. The boost converter topology sustains constant LED brightness as the battery voltage drops from 4.2V to under 3V, extending run time in flashlights and wearable devices. Its PWM dimming capability also makes it a natural fit for automotive interior accent lighting and small LCD backlight modules.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum switch current of TPS92360, and how does that limit the number of LEDs it can drive in series?
TPS92360 supports a 1.2A peak switch current through its internal boost MOSFET. In a typical 3.3V-input boost application, this allows driving a string of 3-4 white LEDs at 350mA forward current, with efficiency typically above 85% across the operating range.
How does PWM dimming work on TPS92360, and at what duty cycle range can flicker-free display backlighting be achieved?
TPS92360 accepts a PWM signal on its enable pin to modulate LED current on and off at frequencies from 100Hz to 10kHz. Duty cycles from approximately 1% to 100% are supported, enabling smooth 8-bit or 10-bit luminance control for LCD backlight panels without visible flicker.
For a battery-powered wearable using a 3.7V Li-ion cell, how does the boost topology of TPS92360 maintain LED brightness as the cell discharges?
TPS92360 boosts the Li-ion cell voltage (ranging from 4.2V to 2.7V over discharge) to a regulated output that maintains constant LED forward current at 350mA, so brightness stays consistent rather than dimming as the battery drains below the LED forward voltage of around 3.2V per LED.
How does the 5-pin SC-70 package of TPS92360 compare to a SOT-23-6 alternative in terms of PCB footprint savings?
The SC-70-5 package measures approximately 2.0 mm x 2.1 mm, roughly 40% smaller in footprint than a standard SOT-23-6 at 2.9 mm x 1.6 mm, enabling LED driver placement inside ultra-thin wearable modules with less than 4.2 mm² pad area.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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