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Infineon Technologies TLD5097EPXUMA1
- Part No.:
- TLD5097EPXUMA1
- Manufacturer:
- Infineon Technologies
- Category:
- LED Drivers
- Package:
- 14-TSSOP (0.154", 3.90mm Width) Exposed Pad
- Datasheet:
-
TLD5097EPXUMA1.pdf
- Description:
- IC LED DRV CTRL PWM 90MA 14TSDSO
- Quantity:
- Payment:
- Shipping:
Inventory:5,640
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Product details
Overview
TLD5097EPXUMA1 from Infineon is a multitopology DC/DC controller IC designed for LED driver applications in automotive environments. It supports fixed-current and fixed-voltage operation across Boost, Buck, Buck-Boost, SEPIC, and Flyback topologies; features internal 5 V LDO gate drive, 100–500 kHz adjustable switching frequency, and dual analog/PWM dimming. It operates from 4.5 V to 45 V input and delivers fault signaling via low-active ST pin.
For engineers reviewing the TLD5097EPXUMA1 datasheet, TLD5097EPXUMA1 pinout, TLD5097EPXUMA1 application, or TLD5097EPXUMA1 equivalent, key selection criteria include its current-mode control architecture, integrated open-circuit/overvoltage/overtemperature protection, soft-start functionality, and PG-TSDSO-14 thermal package suitability for high-reliability lighting systems.
Technical Context
The TLD5097EPXUMA1 implements current-mode control with slope compensation and leading-edge blanking to ensure stable regulation across wide duty-cycle ranges (up to 95% in fixed-frequency mode). Its internal oscillator supports resistor-based frequency setting or external clock synchronization within 100–500 kHz capture range.
It integrates a 5 V linear regulator (IVCC) for gate driving and biasing, a 300 mV high-side current sense threshold (SWCS), and a dedicated diagnostic logic block that asserts low-active ST output on overtemperature, open-load, or overvoltage faults - all qualified per AEC-Q100 Grade 1.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input voltage range | 4.5 V to 45 V - enables direct connection to automotive battery rail including cold-crank (4.5 V) and load-dump (45 V) transients. |
| Switching frequency | 100 kHz to 500 kHz - adjustable via external resistor or synchronizable to external clock for EMI reduction. |
| Gate driver peak current | 380 mA sourcing / 550 mA sinking - sufficient to drive standard n-channel MOSFETs with fast turn-on/turn-off in high-current LED applications. |
| Shutdown current | < 10 µA - minimizes standby power loss in always-on vehicle systems during ignition-off states. |
| Current sense threshold | 300 mV - sets precise peak switch current limit independent of temperature drift, enabling accurate LED current regulation. |
| Operating junction temp | −40 °C to +150 °C - meets automotive under-hood thermal requirements without derating. |
| Protection functions | Open-circuit detection, overvoltage shutdown (OVFB), overtemperature shutdown - autonomous fault response without host MCU intervention. |
Pinout & Package
Package: PG-TSDSO-14 (thermally enhanced 14-pin exposed-pad SOIC variant, RoHS-compliant, green product).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 IVCC | Internal LDO output | Supplies 5 V bias and gate drive; requires local bypass capacitor; must not be left floating. |
| 2 SWO | Gate driver output | Drives gate of external low-side n-channel MOSFET; rated for ±550 mA peak sink/source. |
| 3 SGND | Current-sense ground | Dedicated return path for SWCS sensing to avoid noise coupling into regulation loop. |
| 4 SWCS | Switch current sense input | Monitors MOSFET source current via shunt; 300 mV threshold triggers cycle-by-cycle current limiting. |
| 5 ST | Status output | Open-drain, low-active fault indicator (open-load, OV, OT); pulls down when any protection activates. |
| 6 FBH / 7 FBL | Voltage feedback inputs | Differential pair for closed-loop voltage regulation; supports high-side or low-side sensing configurations. |
| 8 COMP | Compensation node | Connects external RC network to stabilize error amplifier; determines loop bandwidth and phase margin. |
| 9 OVFB | Overvoltage feedback | Resistive divider input to set output overvoltage threshold; independent of main FB loop. |
| 10 SET | Analog dimming input | 0–5 V input scales reference current; if unused, must be tied to IVCC to disable function. |
| 11 FREQ/SYNC | Frequency control | Resistor-to-GND sets oscillator frequency; AC-coupled external clock enables synchronization. |
| 12 GND | Power ground | Main system ground reference; separate from SGND to prevent sensing error. |
| 13 EN/PWMI | Enable or PWM input | Logic HIGH enables IC; PWM signal applied here provides digital brightness control. |
| 14 IN | Supply input | Main input rail (4.5–45 V); powers internal circuitry and LDO; connects to bulk capacitor. |
| EP | Exposed thermal pad | Must be soldered to inner-layer GND plane with thermal vias for junction-to-board heat transfer. |
Key Features
| Feature | Design Value |
|---|---|
| Multitopology support | Configurable as Boost, Buck, Buck-Boost, SEPIC, or Flyback by changing external passive components - eliminates need for multiple controller SKUs. |
| Integrated soft start | Gradually ramps reference current at startup to limit inrush current and suppress output voltage overshoot - no external timing component required. |
| Dual dimming interface | Simultaneous analog (0–5 V on SET) and PWM (on EN/PWMI) dimming paths - enables flexible brightness control in centralized or distributed lighting architectures. |
| Automotive-grade protection | Self-contained open-circuit, overvoltage, and overtemperature detection with automatic shutdown and ST pin assertion - reduces MCU firmware complexity. |
| Thermally optimized package | PG-TSDSO-14 with exposed pad achieves ≤ 45 K/W junction-to-board thermal resistance - sustains full load at 125 °C ambient without forced airflow. |
Applications
| Automotive Headlamp Driver | LED Tail Light Module |
|---|---|
|
Use Scenario: High-brightness LED array in adaptive front-lighting system (AFS) requiring precise current regulation and dynamic dimming. IC Role / Device Role / Timing Role: Primary DC/DC controller managing Boost topology with 100–500 kHz switching; regulates LED current via SWCS feedback and adjusts brightness via EN/PWMI PWM. Use Value: Enables compliance with ECE R149 photometric stability requirements through tight current tolerance (±3%) and fast transient response (< 10 µs). |
Use Scenario: Red LED string in rear combination lamp with integrated diagnostics for CAN bus reporting. IC Role / Device Role / Timing Role: Fixed-current Buck-Boost controller with ST pin connected to microcontroller GPIO for real-time fault flagging (open-circuit, overvoltage). Use Value: Eliminates need for discrete fault monitoring circuitry; reduces BOM count by 4 components while meeting ISO 16750-2 pulse test immunity. |
| Commercial Vehicle Interior Lighting | Off-Road Equipment Work Light |
|
Use Scenario: 24 V truck cab lighting using long LED strings with variable dimming profiles. IC Role / Device Role / Timing Role: SEPIC topology controller supporting wide VIN (9–32 V) and analog dimming via 0–10 V interface connected to SET pin. Use Value: Maintains constant LED current across engine cranking dips (down to 9 V) and alternator surges (up to 32 V) without flicker or dropout. |
Use Scenario: High-power white LED work light on construction machinery subject to vibration and extreme ambient temperatures. IC Role / Device Role / Timing Role: Flyback controller with overtemperature shutdown and ST pin wired to dashboard warning indicator. Use Value: Prevents thermal runaway at 85 °C ambient by reducing output current above 135 °C junction, extending LED lifetime by >30%. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LED driver controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX20051ATP/V+T | Fixed-frequency (2.2 MHz) buck controller; no analog dimming; integrated high-side MOSFET. | Targeted at space-constrained low-power interior lighting; lacks multitopology flexibility and external MOSFET drive capability. | Select when board area is critical and only buck topology is needed; not suitable for Boost/Flyback or high-current (>2 A) designs. |
| TPS92692QPWPRQ1 | Current-mode boost/buck-boost controller with integrated gate drivers; supports I²C programming of dimming curves. | Requires MCU for configuration; adds software overhead but enables dynamic current profiling and telemetry. | Choose when programmable dimming sequences or fault logging are required; higher BOM cost and design effort than TLD5097EPXUMA1. |
Compared with MAX20051ATP/V+T and TPS92692QPWPRQ1, the TLD5097EPXUMA1 offers broader topology support without MCU dependency, lower system-level cost for medium-power automotive lighting, and simpler qualification path due to AEC-Q100 Grade 1 validation out-of-box.
Availability
TLD5097EPXUMA1 is available at Aetrix Electronics and suitable for automotive headlamps, commercial vehicle tail lights, off-road work lights, and interior lighting systems requiring stable component supply across extended temperature and voltage ranges.
Supply support for TLD5097EPXUMA1 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
Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive electronics, and industrial control ICs, with global manufacturing and qualification infrastructure.
The LITIX™ Power product line delivers robust, AEC-Q100-qualified LED driver controllers targeting automotive exterior and interior lighting, emphasizing reliability, diagnostic capability, and topology flexibility.
FAQ
What topologies does the TLD5097EPXUMA1 support?
The TLD5097EPXUMA1 supports Boost, Buck, Buck-Boost, SEPIC, and Flyback configurations by reconfiguring external passive components - no internal register changes or firmware updates required. Each topology uses the same current-mode control architecture and shares identical protection and dimming features.
How is overvoltage protection implemented?
Overvoltage protection is implemented via the OVFB pin, which accepts a resistive voltage divider from the output. When the divided voltage exceeds the internal 1.25 V threshold, the controller disables switching and asserts the ST pin low. Recovery occurs automatically after the fault condition clears and soft-start reinitializes.
Can the TLD5097EPXUMA1 drive high-side MOSFETs?
No - the TLD5097EPXUMA1 drives only low-side n-channel MOSFETs via its SWO pin. Its gate driver is optimized for source-grounded configurations. High-side drive requires external level-shifting circuitry or a different controller such as the TLD5098EP.
What is the purpose of the SGND pin?
The SGND pin provides a dedicated current-sense ground return path isolated from main power ground to prevent noise from high di/dt switch currents from corrupting the SWCS measurement. Routing SGND separately to the shunt resistor's ground side ensures accurate peak-current detection and stable regulation.
TLD5097EPXUMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- LITIX™
- Package/Case:
- 14-TSSOP (0.154", 3.90mm Width) Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- DC DC Controller
- Topology:
- Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost)
- Internal Switch(s):
- No
- Number of Outputs:
- 1
- Voltage - Supply (Min):
- 4.5V
- Voltage - Supply (Max):
- 45V
- Voltage - Output:
- 4.5V ~ 5.5V
- Current - Output / Channel:
- 90mA
- Frequency:
- 100kHz ~ 500kHz
- Dimming:
- Analog, PWM
- Applications:
- -
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PG-TSDSO-14
TLD5097EPXUMA1 FAQ
1.How can I place an order for TLD5097EPXUMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLD5097EPXUMA1 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 TLD5097EPXUMA1 reliable?
The price and inventory of TLD5097EPXUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLD5097EPXUMA1 is usually 5 days.
3.What payment methods are accepted for TLD5097EPXUMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLD5097EPXUMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLD5097EPXUMA1?
TLD5097EPXUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLD5097EPXUMA1 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 TLD5097EPXUMA1?
For technical support, including TLD5097EPXUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLD5097EPXUMA1 requirements.
6.How does Aetrix verify that TLD5097EPXUMA1 is sourced from the original manufacturer or authorized distributors?
All TLD5097EPXUMA1 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 TLD5097EPXUMA1 meets industry standards.
7.What is the process for return or replacement of TLD5097EPXUMA1?
All TLD5097EPXUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with TLD5097EPXUMA1, 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 TLD5097EPXUMA1 part is unused and in its original packaging.
Return procedure for TLD5097EPXUMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TLD5097EPXUMA1 Tags
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BCR402RE6327HTSA1
Infineon Technologies
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BCR430UXTSA2
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BCR420UE6433HTMA1
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BCR420UE6327HTSA1
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BCR421UE6327HTSA1
Infineon Technologies
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CL2N8-G
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BCR421UFD-7
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