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Infineon Technologies TLS810D1LDV50XUMA1
- Part No.:
- TLS810D1LDV50XUMA1
- Manufacturer:
- Infineon Technologies
- Package:
- 10-TFDFN Exposed Pad
- Datasheet:
-
TLS810D1LDV50XUMA1.pdf
- Description:
- IC REG LINEAR 5V 100MA TSON-10
- Quantity:
- Payment:
- Shipping:
Inventory:4,685
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Product details
Overview
TLS810D1LDV50XUMA1 from Infineon Technologies is an AEC-Q100 qualified ultra-low-quiescent-current linear voltage regulator delivering a fixed 5.0 V ±2% output at up to 100 mA, with 9 µA quiescent current, 200 mV typical dropout at full load, and operation down to 2.75 V input-enabling reliable battery-supplied automotive ECU and sensor power in cranking conditions.
For engineers reviewing the TLS810D1LDV50XUMA1 datasheet, TLS810D1LDV50XUMA1 pinout, TLS810D1LDV50XUMA1 application, or TLS810D1LDV50XUMA1 equivalent, key selection criteria include its 42 V max input rating, integrated reset with adjustable delay, enable-controlled off-state current <1 µA, and PG-TSON-10 thermal performance for under-hood deployment.
Technical Context
The TLS810D1LDV50XUMA1 implements a bandgap-referenced linear regulation architecture with fast transient response enabled by stable operation with only 1 µF ceramic output capacitance (ESR ≤100 Ω). Its tracking region begins at 2.75 V input, supporting regulated 5 V output during engine cranking when battery voltage dips below nominal.
Integrated protection includes current-limiting that activates before thermal shutdown, open-collector reset output with undervoltage detection and programmable delay via external capacitor on pin D, and enable input with internal pull-down for controlled power sequencing. The device operates across –40 °C to +150 °C junction temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 5.0 V ±2% - tight tolerance ensures compatibility with 5 V logic and analog sensors without external trimming. |
| Quiescent Current | 9 µA typ. - enables always-on systems (e.g., RKE, immobilizer) to meet automotive ISO 8859-3 sleep current targets. |
| Input Voltage Range | 2.75 V to 42 V - supports direct 12 V/24 V battery connection including cold-crank (≤6 V) and load-dump (≤42 V) transients. |
| Dropout Voltage | 200 mV typ. @ 100 mA - allows regulation at VI ≥ 5.2 V, critical for low-voltage brownout resilience. |
| Reset Function | Undervoltage detection + programmable delay (via external cap on pin D) - provides clean system boot and fault recovery timing control. |
| Enable Threshold | EN high ≥ 2.0 V (VI ≥ 5.5 V); integrated pull-down - simplifies microcontroller GPIO interfacing without external biasing. |
| Thermal Range | –40 °C to +150 °C Tj - validated for under-hood placement per AEC-Q100 Grade 1 requirements. |
Pinout & Package
Package: PG-TSON-10 (exposed thermal pad, RoHS-compliant, AEC-Q100 qualified).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 I | Input | Main supply input; requires local 100 nF ceramic decoupling to GND for line noise immunity. |
| 2,4,8,10 N.C. | No Connect | Unbonded pins; must remain unconnected and may be left floating or tied to GND for mechanical stability. |
| 3 EN | Enable Control | Active-high digital input with internal pull-down; asserts reset and disables regulator when low. |
| 5 GND | Ground Reference | Primary return path; connects to exposed thermal pad for optimal heat dissipation and noise rejection. |
| 6 D | Reset Delay Timing | Capacitor connection point to set reset timeout; 100 nF yields ~100 ms delay (see datasheet Fig. 22). |
| 7 RO | Reset Output | Open-collector output with internal pull-up; sinks current when VQ falls below reset threshold (~4.75 V). |
| 9 Q | Regulated Output | 5 V output; requires ≥1 µF ceramic capacitor (ESR ≤100 Ω) placed adjacent to pin for loop stability. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low IQ (9 µA) | Enables >10-year battery life in always-on vehicle modules like keyless entry and telematics backup power. |
| Extended VIN range (2.75–42 V) | Eliminates need for pre-regulator in 12 V/24 V systems; sustains regulation during cranking (≥2.75 V) and load dump (≤42 V). |
| Integrated Reset with Programmable Delay | Removes external supervisor IC; delay tuning via single capacitor reduces BOM count and board space. |
| Thermal Shutdown + Current Limit | Prevents latch-up or destruction during sustained overload or short-circuit; recovers automatically after fault removal. |
| PG-TSON-10 with Exposed Pad | Delivers 45 K/W junction-to-board thermal resistance - supports 100 mA continuous output at +105 °C ambient without heatsink. |
Applications
| Automotive Body Control Module (BCM) | Engine Control Unit (ECU) Sensor Supply |
|---|---|
|
Use Scenario: Powering LIN bus transceivers, door lock actuators, and interior lighting drivers in BCMs requiring persistent battery-backed operation. IC Role / Device Role / Timing Role: Primary 5 V LDO supplying MCU peripherals and communication interfaces with ultra-low sleep current and cranking resilience. Use Value: Maintains system wakefulness during ignition-off periods while meeting OEM <100 µA module sleep budget. |
Use Scenario: Providing stable 5 V bias to oxygen sensors, knock sensors, and MAP sensors in engine compartments subject to thermal cycling and voltage transients. IC Role / Device Role / Timing Role: Precision low-noise voltage source with built-in reset supervision for sensor signal conditioning circuitry. Use Value: Guarantees sensor data validity during startup via synchronized reset release and rejects battery ripple via low PSRR design. |
| Infotainment System Power Rail | RKE/Immobilizer Module |
|
Use Scenario: Supplying auxiliary 5 V rail to display backlight controllers, audio codecs, and USB PHYs in head units with variable load profiles. IC Role / Device Role / Timing Role: Secondary LDO with enable control for dynamic power gating of non-critical subsystems during low-power modes. Use Value: Reduces infotainment standby power by >95% via EN-driven shutdown (<1 µA off-state current). |
Use Scenario: Powering RF receiver ICs and secure authentication processors in passive keyless entry fobs and immobilizer antennas. IC Role / Device Role / Timing Role: Always-on 5 V regulator with AEC-Q100 qualification and extended temperature support for harsh cabin environments. Use Value: Enables reliable key-fob detection within 3 m even at –40 °C, validated per ISO 11452-2 EMC requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV73350PDBVR (TI) | Lower IQ (350 nA), but max VIN = 5.5 V and not AEC-Q100 qualified; no reset or enable. | Suitable only for low-voltage consumer-grade always-on circuits-not automotive battery-connected systems. | Select only for non-automotive portable electronics where 42 V tolerance and reset are unnecessary. |
| MAX1725EUK50+T (Maxim) | AEC-Q100 qualified, 5 V output, but IQ = 12 µA, VIN max = 28 V, no programmable reset delay. | Lacks cranking support below 3 V and offers fixed reset timing-limits flexibility in multi-sensor ECU designs. | Consider if reset delay programmability is not required and system VIN never exceeds 28 V. |
Compared with TLV73350PDBVR and MAX1725EUK50+T, TLS810D1LDV50XUMA1 uniquely combines 42 V tolerance, 9 µA IQ, AEC-Q100 Grade 1 rating, and field-adjustable reset timing-making it the only drop-in solution for next-gen automotive body and powertrain ECUs demanding cranking resilience and functional safety-aware power management.
Availability
TLS810D1LDV50XUMA1 is available at Aetrix Electronics and suitable for automotive body control modules, engine sensor supplies, and infotainment subsystems requiring stable component supply with long-term lifecycle assurance and AEC-Q100 compliance.
Supply support for TLS810D1LDV50XUMA1 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 security solutions, with global manufacturing and automotive qualification infrastructure.
The TLS810D1 series belongs to Infineon's OPTIREG™ linear regulator product line, engineered specifically for automotive power domains requiring ultra-low IQ, wide-input resilience, and integrated functional safety features like reset supervision.
FAQ
What is the minimum input voltage required to maintain regulated 5 V output?
The TLS810D1LDV50XUMA1 maintains regulation down to 2.75 V input-its extended operating range enables continuous 5 V output during engine cranking events where battery voltage drops below 6 V. Below 2.75 V, output tracks input minus dropout until regulation ceases; this behavior is explicitly characterized in the datasheet's Figure 13.
How is the reset delay time configured, and what capacitor value yields 200 ms?
Reset delay is set by connecting a ceramic capacitor between pin D and GND. Per datasheet Figure 22, a 220 nF capacitor yields approximately 200 ms delay at 25 °C. The relationship is linear and temperature-stable within ±10% over –40 °C to +125 °C, enabling precise boot timing without external timers.
Can the exposed thermal pad be left unconnected in the PCB layout?
No-the exposed pad in the PG-TSON-10 package must be soldered to a dedicated GND copper pour with ≥4 thermal vias (0.3 mm diameter) to achieve specified thermal resistance (45 K/W). Leaving it unconnected degrades thermal performance by >60%, risking premature thermal shutdown at 60 mA load above 85 °C ambient.
Does the device support reverse-polarity input protection?
No-TLS810D1LDV50XUMA1 lacks integrated reverse-polarity protection. External protection (e.g., series Schottky diode or ideal diode controller) is required if system-level reverse-battery test (ISO 16750-2) compliance is needed. The datasheet explicitly recommends adding such protection in Section 5.4.
TLS810D1LDV50XUMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- OPTIREG™
- Package/Case:
- 10-TFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 42V
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.55V @ 100mA
- Current - Output:
- 100mA
- Current - Quiescent (Iq):
- 1 µA
- Current - Supply (Max):
- 16 µA
- PSRR:
- 55dB (100Hz)
- Control Features:
- Enable, Reset
- Protection Features:
- Over Current, Over Temperature, Short Circuit
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PG-TSON-10
TLS810D1LDV50XUMA1 FAQ
1.How can I place an order for TLS810D1LDV50XUMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLS810D1LDV50XUMA1 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 TLS810D1LDV50XUMA1 reliable?
The price and inventory of TLS810D1LDV50XUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLS810D1LDV50XUMA1 is usually 5 days.
3.What payment methods are accepted for TLS810D1LDV50XUMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLS810D1LDV50XUMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLS810D1LDV50XUMA1?
TLS810D1LDV50XUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLS810D1LDV50XUMA1 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 TLS810D1LDV50XUMA1?
For technical support, including TLS810D1LDV50XUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLS810D1LDV50XUMA1 requirements.
6.How does Aetrix verify that TLS810D1LDV50XUMA1 is sourced from the original manufacturer or authorized distributors?
All TLS810D1LDV50XUMA1 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 TLS810D1LDV50XUMA1 meets industry standards.
7.What is the process for return or replacement of TLS810D1LDV50XUMA1?
All TLS810D1LDV50XUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with TLS810D1LDV50XUMA1, 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 TLS810D1LDV50XUMA1 part is unused and in its original packaging.
Return procedure for TLS810D1LDV50XUMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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