My Inquiry
My Account
Texas Instruments TPS92518EVM-878
- Part No.:
- TPS92518EVM-878
- Manufacturer:
- Texas Instruments
- Category:
- LED Driver Evaluation Boards
- Package:
- Datasheet:
-
TPS92518EVM-878.pdf
- Description:
- EVAL BOARD FOR TPS92518
- Quantity:
- Payment:
- Shipping:
Inventory:2,656
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
TPS92518EVM-878 from Texas Instruments is a dual-channel, high-brightness LED current regulator evaluation module based on the TPS92518QPWPRQ1 automotive-grade dual buck controller. It operates from 6.5 V to 65 V input, delivers up to 1.65 A per channel, supports SPI and hardware PWM dimming, and is configured for default 538 mA output per channel with adjustable LED stack voltage up to 65 V - used for validating LED driver designs in automotive lighting and industrial signage.
For engineers reviewing the TPS92518EVM-878 datasheet, TPS92518EVM-878 pinout, TPS92518EVM-878 application, or TPS92518EVM-878 equivalent, this evaluation module enables rapid validation of dual-buck LED current regulation, SPI register configuration, thermal performance at 125°C, efficiency optimization across 1–2000 kHz switching frequency, and shunt FET dimming implementation with external circuitry.
Technical Context
The TPS92518EVM-878 implements two independent synchronous buck regulators controlled by the TPS92518QPWPRQ1 IC in a TSSOP-24 package. Each channel features programmable peak current threshold (0–255 DAC), adjustable minimum off-time (0–255 DAC), and hardware enable with 23.6 V typical threshold bypassing SPI register state.
It supports three dimming methods: analog (via LEDx_PKTH_DAC), hardware PWM (on dedicated PWM1/PWM2 pins), and shunt FET dimming requiring external FET and register tuning of LEDx_MAXOFF_DAC. The board includes daisy-chain and star-configurable SPI interfaces via J10/J11 and J8/J7 jumpers for multi-board systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 6.5 V to 65 V - supports wide-range DC supplies including 12 V, 24 V, and 48 V automotive and industrial bus voltages. |
| Max Output Current per Channel | 1.65 A - configurable via register settings; default factory setting is 538 mA for stable thermal operation during evaluation. |
| LED Output Voltage Range | 0 V to 65 V absolute max; practical limit 60 V - accommodates single-LED to multi-LED stacks (e.g., 20×3 V LEDs). |
| Switching Frequency Range | 1 kHz to 2000 kHz - adjustable via TOFF register; higher frequencies reduce inductor size but increase switching losses. |
| Peak Efficiency | 95% - measured at VIN = 50 V, VLED = 24.7 V, ILED = 0.9 A, enabling high-power LED systems with minimal thermal overhead. |
| Operating Temperature | –40°C to +125°C - validated for under-hood automotive environments and industrial enclosures without derating. |
| Dimming Methods | SPI-controlled analog, hardware PWM (400 Hz–1 kHz typical), and shunt FET - provides flexibility for flicker-sensitive or EMI-constrained applications. |
Availability
TPS92518EVM-878 is available at Aetrix Electronics and suitable for automotive headlight validation, industrial LED signage prototyping, and high-reliability display backlight development requiring stable component supply, traceable sourcing, and long-term evaluation platform continuity.
Supply support for TPS92518EVM-878 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor company specializing in analog, embedded processing, and power management technologies, with leadership in automotive-grade ICs and evaluation platforms.
The TPS92518EVM-878 belongs to TI's LED lighting evaluation module product line, designed specifically to accelerate development of dual-channel, high-efficiency, SPI-configurable LED drivers for automotive exterior lighting and industrial high-brightness applications.
FAQ
What is the primary function of the TPS92518EVM-878?
The TPS92518EVM-878 is a dual-channel LED current regulator evaluation module built around the TPS92518QPWPRQ1 controller. It enables engineers to validate LED driver performance, configure registers via GUI or SPI, test dimming methods (PWM, analog, shunt FET), and characterize efficiency, thermal behavior, and startup/shutdown waveforms - all using the actual production-grade IC in its intended application context.
Can the TPS92518EVM-878 operate without an external microcontroller?
Yes, the TPS92518EVM-878 can operate without an external microcontroller. Applying ≥23.6 V to the ENABLE test point bypasses SPI register control and initiates switching using default register values. Hardware PWM signals applied to PWM1/PWM2 pins also allow standalone dimming control without SPI communication - making it suitable for quick functional verification before full system integration.
What are the supported dimming methods on the TPS92518EVM-878?
The TPS92518EVM-878 supports three dimming methods: (1) SPI-controlled analog dimming via LEDx_PKTH_DAC register, (2) hardware PWM dimming using external signals on PWM1/PWM2 pins (tested up to 1 kHz), and (3) shunt FET dimming requiring external FET and register tuning of LEDx_MAXOFF_DAC. Each method is validated in the user's guide with waveform examples and layout guidance.
Does the TPS92518EVM-878 support daisy-chaining multiple boards?
Yes, the TPS92518EVM-878 supports daisy-chaining via J10 and J11 connectors. J8 jumper configuration (pins 1–2 + 5–6) sets the board for middle-of-chain operation, while J7 closed enables star topology. This allows one LEDSPIMCUEVM-879 controller to manage multiple TPS92518EVM-878 units - simplifying scalability for multi-zone LED lighting systems.
What is the role of the TPS92518QPWPRQ1 IC on the TPS92518EVM-878 board?
The TPS92518QPWPRQ1 IC is the core automotive-grade dual buck LED controller mounted on the TPS92518EVM-878 board in a TSSOP-24 package. It provides independent channel control, integrated gate drivers, SPI interface, fault reporting, and programmable timing parameters - directly implementing the regulation logic that the evaluation module exposes for testing and characterization.
TPS92518EVM-878 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Packaging:
- Box
- Product Status:
- Active
- Current - Output / Channel:
- 538mA
- Outputs and Type:
- 2 Non-Isolated Outputs
- Voltage - Output:
- 65V
- Features:
- Dimmable
- Voltage - Input:
- 6.5V ~ 65V
- Contents:
- Board(s)
- Utilized IC / Part:
- TPS92518
TPS92518EVM-878 FAQ
1.How can I place an order for TPS92518EVM-878 through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS92518EVM-878 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TPS92518EVM-878 reliable?
The price and inventory of TPS92518EVM-878 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS92518EVM-878 is usually 5 days.
3.What payment methods are accepted for TPS92518EVM-878?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS92518EVM-878 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS92518EVM-878?
TPS92518EVM-878 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS92518EVM-878 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TPS92518EVM-878?
For technical support, including TPS92518EVM-878 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS92518EVM-878 requirements.
6.How does Aetrix verify that TPS92518EVM-878 is sourced from the original manufacturer or authorized distributors?
All TPS92518EVM-878 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TPS92518EVM-878 meets industry standards.
7.What is the process for return or replacement of TPS92518EVM-878?
All TPS92518EVM-878 units undergo pre-shipment inspection (PSI). If there is an issue with TPS92518EVM-878, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TPS92518EVM-878 part is unused and in its original packaging.
Return procedure for TPS92518EVM-878:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TPS92518EVM-878 Tags
-
COM-13716
SparkFun Electronics
-
B-G474E-DPOW1
STMicroelectronics
-
EVB81116-A2
Melexis Technologies NV
-
EVB81116-A3
Melexis Technologies NV
-
LP5036EVM
Texas Instruments
-
LP5813-12WCSPEVM
Texas Instruments
-
LP8863EVM
Texas Instruments
-
1455
Adafruit Industries LLC
-
1427
Adafruit Industries LLC
-
WIG-13279
SparkFun Electronics
-
5650
Adafruit Industries LLC
-
1429
Adafruit Industries LLC
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
