TPS61170DRVR-S Texas Instruments In Stock
TPS61170DRVR-S is a high-voltage boost converter by Texas Instruments in a compact DRV package. Key specs: 1.8 V to 6 V input, up to 17 V output, 1.2 A switch current. From stock, available with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Pin Count
- 6
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TPS61170DRVR-S?
- High-voltage boost regulation from 1.8 V to 6 V input up to 17 V output enabling white LED backlight strings
- 1.2 A peak switch current in a small DRV (SOT-563) package minimizing PCB footprint
- 1 MHz fixed switching frequency reducing inductor size and output ripple in portable designs
What is TPS61170DRVR-S used for?
The TPS61170DRVR-S is designed to drive white LED backlight strings in small LCD displays for smartphones, portable media players, and handheld instruments. Its high output voltage capability up to 17 V makes it suitable for series LED strings requiring more than the battery voltage, while the compact SOT-563 package saves space on mobile device motherboards. The device also fits boost-rail applications in low-voltage portable systems needing a regulated 12 V or 15 V supply from a single Li-ion cell.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
What are equivalent replacements for TPS61170DRVR-S?
Compatible alternatives and drop-in replacements for TPS61170DRVR-S:
Switching Regulator, Current-mode, 1.44A, 1200kHz Switching Freq-Max, BICMOS, PDSO6
Switching Regulator, Current-mode, 1.44A, 1500kHz Switching Freq-Max, BICMOS, PDSO6
Switching Regulator, Current-mode, 1.44A, 1200kHz Switching Freq-Max, BICMOS, PDSO6
Switching Regulator, Current-mode, 9.4A, 2200kHz Switching Freq-Max, BICMOS, PBCC13
Switching Regulator, Current-mode, 3A, 2640kHz Switching Freq-Max, PDSO14
Switching Regulator, Current-mode, 9.4A, 2200kHz Switching Freq-Max, BICMOS, PBCC13
Frequently Asked Questions
What input and output voltage range does TPS61170DRVR-S support for LED backlight applications?
The TPS61170DRVR-S accepts an input voltage from 1.8 V to 6 V and regulates the boost output up to 17 V, enabling it to drive series white LED strings in LCD backlight circuits powered by single-cell Li-ion or two-cell alkaline batteries.
How does the 1 MHz switching frequency of TPS61170DRVR-S benefit portable device PCB layouts?
Operating at 1 MHz fixed switching frequency allows the use of a small 2.2 µH to 4.7 µH inductor and compact ceramic output capacitors, reducing the total power stage footprint to under 10 mm² on smartphone and tablet PCBs.
For a 4-LED series backlight string at 3.3 V forward voltage each, can TPS61170DRVR-S supply sufficient output?
Yes. Four white LEDs with 3.3 V forward voltage each require approximately 13.2 V total; the TPS61170DRVR-S maximum output of 17 V comfortably accommodates this string voltage plus headroom, with 1.2 A peak switch current supporting brightness adjustment via PWM dimming.
What package does TPS61170DRVR-S use, and how does it compare to WSON or SOT-23 alternatives?
The TPS61170DRVR-S uses a DRV (SOT-563) 6-pin package measuring approximately 1.6 mm × 1.6 mm, which is smaller than the SOT-23-5 footprint but provides comparable thermal dissipation for output powers up to 1 W in typical LED driver applications.
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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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