TLD40203ETXUMA2 - 3-Ch 51.5mA LIN RGB LED Driver | Infineon
MPN: TLD40203ETXUMA2 ✓ فعالTLD40203ETXUMA2 جائزہ
What is a linear LED driver? A linear LED driver is a class of solid-state lighting IC that regulates LED brightness by placing a controlled current-source or current-sink element in series with each LED string and modulating its on-resistance, rather than by switching the supply with an inductor. Within the broader taxonomy, a linear LED driver belongs to the LED driver category, which itself falls under power management ICs. Compared with switching (buck/boost) LED drivers, linear drivers offer lower EMI, smaller PCB footprint, and simpler BOMs at the cost of lower efficiency when the input-to-LED forward-voltage headroom is large.
Key features include three independently programmable constant-current outputs of 51.5 mA each, integrated diagnostic functions such as open-load, short-to-GND, and short-to-VBAT detection, and PWM dimming support for color-mixing and brightness control. The PG-TFDSO-16-1 thermal-enhanced package with exposed die pad allows continuous operation at elevated ambient temperatures up to 125 °C (junction), which is critical for sealed automotive lamp modules.
The device is built on Infineon's smart-power BCD process, integrating a LIN 2.x/2.2A/2.2B-compatible transceiver with three protected low-side current sinks. This architecture reduces external component count to a minimum: only bypass capacitors, LIN pull-up, and ESD protection are required externally, while color/brightness profiles are programmed over the LIN bus by a body-control module.
Typical applications include LIN-controlled automotive RGB ambient lighting (roof consoles, door panels, footwells), multi-color status indicators, decorative LED strips, and architectural color-tunable fixtures. The integrated diagnostics meet automotive OEM requirements for fault reporting via the LIN bus, supporting ASIL-aware system architectures.
When designing with this part, ensure the thermal pad is soldered to at least 50 mm² of copper pour to keep junction temperature below 150 °C at full 51.5 mA on all three channels simultaneously. Because the device is a linear current sink, the input supply must be sized so that the worst-case VLED + VSAT drop remains within the 5.5 V minimum supply.
This page synthesizes distributor pricing, drop-in LIN-RGB-driver alternatives, and practical thermal/diagnostic design notes not consolidated in the manufacturer datasheet alone.
کے لیے ڈراپ اِن متبادل TLD40203ETXUMA2 — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں TLD40203ETXUMA2 (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Communication Interface, Diagnostic Features, Operating Temperature Range, Package, Topology.
TLD40203ETXUMA1
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
TLD40203ETXUMA3
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
TLD4020-3ET
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
TLD700216ESXUMA1
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →TLD40203ETXUMA2 زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| ٹوپولوجی | 3-channel linear current sink |
| آؤٹ پٹس کی تعداد | 3 |
| Per-Channel Output Current | 51.5 mA |
| Supply Voltage Range | 5.5 V to 29 V |
| Dimming Method | PWM (programmable via LIN) |
| Communication Interface | LIN (LIN 2.x compatible) |
| پیکیج | PG-TFDSO-16-1 (exposed pad) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| آپریٹنگ درجہ حرارت رینج | -40 °C to +125 °C (Tj) |
| Diagnostic Features | Open-load, short-to-GND, short-to-VBAT |
| ESD Protection | ±4 kV HBM (LIN bus pins, typical) |
| Maximum Junction Temperature | 150 °C |
| RoHS اسٹیٹس | Compliant |
| Lead-Free | Yes |
| AEC-Q100 Qualification | Qualified (automotive grade) |
TLD40203ETXUMA2 پن کنفیگریشن
| پن 1 | OUT1 — Current sink output channel 1 (typically Red LED) |
| پن 2 | OUT2 — Current sink output channel 2 (typically Green LED) |
| پن 3 | OUT3 — Current sink output channel 3 (typically Blue LED) |
| پن 4 | VSUP — Battery supply input (5.5 V to 29 V) |
| پن 5 | LIN — LIN bus transceiver pin |
| پن 6 | WAKE — Wake-up input (function depends on firmware variant) |
| پن 7 | GND — Ground |
| پن 8 | NC — Not connected (per datasheet) |
| پن 9 | NC — Not connected (per datasheet) |
| پن 10 | NC — Not connected (per datasheet) |
| پن 11 | NC — Not connected (per datasheet) |
| پن 12 | NC — Not connected (per datasheet) |
| پن 13 | NC — Not connected (per datasheet) |
| پن 14 | NC — Not connected (per datasheet) |
| پن 15 | NC — Not connected (per datasheet) |
| پن 16 | EP — Exposed pad - thermal and ground return, must be soldered to PCB |
عام استعمالات
TLD40203ETXUMA2 کے لیے موزوں ہے 6 ایپلیکیشنs: Automotive RGB Ambient Interior Lighting, Multi-Color Status Indicators, Decorative LED Strips with LIN Control, Automotive Rear Combination Lamps (RGB Functions), Smart Home Color-Tunable Downlights, Industrial RGB Tower Lights.
Automotive RGB Ambient Interior Lighting
The TLD40203ETXUMA2 is purpose-built for automotive LIN-controlled RGB ambient lighting in roof consoles, door panels, and footwells. Its three 51.5 mA current sinks directly drive R, G, and B LEDs with matched brightness, while PWM dimming via the LIN bus enables smooth color mixing and brightness fade effects. The device's -40 °C to +125 °C junction range and integrated open-load/short-to-GND/short-to-VBAT diagnostics meet OEM requirements for fault reporting to the body-control module. Compared with discrete MOSFET + op-amp solutions, it cuts BOM count and PCB area while keeping the LIN protocol stack compliant with the OEM's existing software.
تجویز کردہ
Multi-Color Status Indicators
For industrial control panels and HMIs, the TLD40203ETXUMA2 provides three independently addressable current sinks that can drive red/green/blue status LEDs from a single LIN node, reducing wiring harness complexity. Each channel's 51.5 mA capability supports both standard and high-brightness LEDs, while the LIN interface allows remote reconfiguration of color and blink pattern from a central controller. The PG-TFDSO-16-1 exposed-pad package dissipates the modest linear-drop heat directly into the PCB copper, eliminating the need for an external heatsink in well-ventilated enclosures.
تجویز کردہ
Decorative LED Strips with LIN Control
Decorative and architectural LED strips benefit from the TLD40203ETXUMA2's per-channel PWM dimming and LIN programmability. By placing one driver IC per RGB node along the strip, designers achieve individual pixel control without running dedicated PWM lines from a master MCU. The 5.5 V to 29 V supply range accommodates both 12 V and 24 V system rails, and the integrated diagnostics detect open LED, short-to-ground, and short-to-supply faults that are critical in field-deployed decorative installations. The PG-TFDSO-16-1 footprint allows dense PCB layouts behind each LED segment.
تجویز کردہ
Automotive Rear Combination Lamps (RGB Functions)
The TLD40203ETXUMA2 suits rear combination lamp sub-functions that require RGB capability such as dynamic turn indicators and welcome animations. Its AEC-Q100 qualification and 125 °C junction rating match under-hood and behind-lens thermal environments. Designers can drive each lamp segment with one driver and report per-channel diagnostics back to the BCM via LIN, enabling compliance with automotive functional-safety expectations for lighting fault reporting. The linear topology also eliminates the EMI emissions that switching drivers can couple into nearby radio antenna paths.
تجویز کردہ
Smart Home Color-Tunable Downlights
In smart-home lighting, the TLD40203ETXUMA2 enables a compact color-tunable downlight module that receives brightness and hue commands over a LIN-to-wireless gateway. Each channel's 51.5 mA output drives mid-power RGB LEDs at typical residential dimming levels (10-30 mA per channel), and the small PG-TFDSO-16-1 footprint fits within the confined ceiling-can geometry. The driver's integrated fault detection supports predictive-maintenance features that alert the homeowner when an LED is failing.
تجویز کردہ
Industrial RGB Tower Lights
Industrial stack-light towers commonly stack red, amber, and green indicators, but newer 'full-color' machines use RGB stacks that benefit from the TLD40203ETXUMA2's per-channel programmability. The 29 V supply tolerance accommodates 24 V industrial rails with transients, and the device's robust ESD protection on the LIN pin tolerates factory-floor handling. Through the LIN interface, a PLC can dynamically assign color codes to indicate machine state, increasing diagnostic bandwidth without adding I/O modules.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا TLD40203ETXUMA2 — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | TLD40203ETXUMA1 | TLD40203ETXUMA3 | TLD4020-3ET | TLD700216ESXUMA1 |
|---|---|---|---|---|---|
| Brand | Infineon | Infineon | Infineon | Infineon | Infineon |
| Package | PG-TFDSO-16-1 | PG-TFDSO-16-1 | PG-TFDSO-16-1 | PG-TFDSO-16-1 | PG-TSDSO-16-1 |
| Channels | 3 | 3 | 3 | 3 | 3 |
| Supply Voltage | 5.5 V to 29 V | 5.5 V to 29 V | 5.5 V to 29 V | 5.5 V to 29 V | 5.5 V to 29 V |
| Interface | LIN | LIN | LIN | LIN | LIN |
| Dimming Method | PWM via LIN | PWM via LIN | PWM via LIN | PWM via LIN | PWM via LIN |
| Automotive Qualified (AEC-Q100) | Yes | Yes | Yes | Yes | Yes |
اہم امتیازی خصوصیات
- Integrated LIN transceiver eliminates external LIN IC (بمقابلہDiscrete LIN transceiver + 3-channel LED driver solution)
- Three independent 51.5 mA current sinks with per-channel diagnostics (بمقابلہTLD700216ESXUMA1 (different package, different register map))
- AEC-Q100 qualification for automotive in-cabin lighting (بمقابلہIndustrial-grade LIN LED drivers from competitors)
ڈیزائن نوٹس
Estimated: at VSUP = 13.5 V, VLED (red channel) = 2.0 V, full-scale current 51.5 mA on all three channels, package dissipation is roughly (13.5 V - 2.0 V) × 0.0515 A × 3 ≈ 1.78 W. The PG-TFDSO-16-1 thermal pad must be soldered to at least 50 mm² of 2 oz copper on the top layer (and stitched vias to a bottom-layer copper pour) to keep the junction rise under 50 K. Always validate against the manufacturer's thermal derating curve for your specific PCB stack-up.
Place a 100 nF X7R decoupling capacitor as close as possible to the VSUP pin and a bulk 10 µF electrolytic or tantalum capacitor within 5 mm to suppress load-dump and cranking transients on the automotive battery rail. The exposed thermal pad must be soldered to a continuous copper pour with at least four thermal vias (0.3 mm drill, 1 oz plating) to the inner/outer ground plane. Keep the LIN trace short and route it away from switching nodes; add a 1 nF X7R + ESD diode (e.g., Infineon ESD5V0S1B-N) right at the LIN connector pin.
Do not connect LED anodes to a supply that exceeds 29 V continuously - the OUT pins are current sinks referenced to GND and tolerate VSUP only up to the absolute-maximum rating. Do not leave the LIN pin floating; either connect it to the LIN master or to GND via a defined pull-down to avoid spurious wake-ups. When using PWM dimming below 1% duty, ensure the LIN-programmed PWM frequency stays within the driver's supported range (typically 100 Hz to 1 kHz) to avoid visible flicker artifacts. Finally, do not rely on the diagnostic bits as a safety mechanism - they are intended for service diagnostics only.
تعمیل کی معلومات
AEC-Q100 qualified per Infineon product family datasheet. RoHS and REACH compliant per Infineon product page. Halogen-free per Infineon packaging materials declaration.
