Infineon Technologies TLE4267GMXUMA1
- Part No.:
- TLE4267GMXUMA1
- Manufacturer:
- Infineon Technologies
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLE4267GMXUMA1.pdf
- Description:
- IC REG LINEAR 5V 400MA DSO14-30
- Quantity:
- Payment:

- Shipping:

Inventory:3,974
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Product details
Overview
TLE4267GMXUMA1 from Infineon is a 5 V automotive-grade low-dropout linear voltage regulator in PG-DSO-14 package, delivering ≥400 mA output current with ±2% output voltage tolerance, input voltage range of 5.5–40 V, and integrated reset function down to 1 V output. It features overvoltage protection up to 60 V (≤400 ms), reverse polarity protection, and AEC-Q100 qualification for direct battery-connected power supplies.
For engineers reviewing the TLE4267GMXUMA1 datasheet, TLE4267GMXUMA1 pinout, TLE4267GMXUMA1 application, or TLE4267GMXUMA1 equivalent, key selection criteria include its adjustable reset delay, open-collector reset output (RO), inhibit logic (E2), hold functionality (E6), and thermal shutdown behavior under sustained load conditions.
Technical Context
The TLE4267GMXUMA1 implements a bandgap-referenced control amplifier driving a pass transistor with saturation control and integrated protection circuitry. Its reset generator uses an external capacitor on pin D to set delay time, while RO provides open-collector reset signaling tied internally to Q via a 30 kΩ resistor.
It operates across -40°C to +150°C junction temperature, supports on/off logic via E2 (active-high, internal 100 kΩ pull-down), and maintains regulation during cold-crank events due to 5.5 V minimum input and 40 V maximum continuous operating voltage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output voltage | 5.0 V ±2% - ensures stable MCU/sensor supply within automotive voltage tolerances |
| Max output current | ≥400 mA - sufficient for powering multiple ECUs or off-board loads without external boost |
| Input voltage range | 5.5 V to 40 V - supports 12 V/24 V battery systems including cold-crank (5.5 V) and load-dump (40 V) |
| Reset threshold | 1.0 V output - enables reliable system reset before brownout-induced logic corruption |
| Overvoltage protection | 60 V for ≤400 ms - survives ISO 7637-2 pulse 5a without latch-off or damage |
| Standby current | <100 µA - minimizes battery drain in vehicle sleep modes |
| Thermal shutdown | Active at TJ ≥150°C - protects against sustained overload or poor heatsinking |
Pinout & Package
Package: PG-DSO-14 (RoHS-compliant, thermally enhanced SOIC-14 with exposed pad).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (I) | Input supply | Primary VIN connection; requires local 100 nF ceramic decoupling to GND |
| 2 (E2) | Inhibit control | Active-high enable; internal 100 kΩ pull-down ensures default OFF state |
| 3,4,5,10,11,12 | GND | Power and signal ground; multiple pins reduce impedance and improve thermal conduction |
| 7 (RO) | Reset output | Open-collector; sinks current when output drops below reset threshold (1 V) |
| 8 (D) | Reset delay timing | Connects to GND via capacitor; sets reset assertion duration (e.g., 100 nF ≈ 10 ms) |
| 9 (E6) | Hold input | Pull-up to Q (5 V) via 50 kΩ; used to extend reset hold time during transient recovery |
| 13 (Q) | Regulated output | 5 V output; requires 22 µF low-ESR (≤3 Ω) bulk capacitor for stability |
| 6,14 | N.C. | No internal connection; must remain unconnected per design |
Key Features
| Feature | Design Value |
|---|---|
| Adjustable reset delay | Set externally via capacitor on pin D - enables precise power-on sequencing alignment with microcontrollers |
| Reverse polarity protection | Withstands -42 V input - eliminates need for external series diode in battery-reversed fault scenarios |
| Short-circuit proof operation | Current-limited foldback with auto-recovery - sustains indefinite short without latch-up or thermal runaway |
| AEC-Q100 qualified | Grade 0 (-40°C to +150°C) - validated for engine bay and transmission control unit placement |
| Low standby current | <100 µA in inhibit-OFF state - meets OEM requirements for <100 µA module sleep current budgets |
Applications
| Body Control Module (BCM) | Engine Control Unit (ECU) Power Supply |
|---|---|
Use Scenario: Regulating 5 V rail for CAN transceivers, sensors, and microcontroller peripherals in body electronics. IC Role / Device Role / Timing Role: Primary LDO supplying critical logic rails with reset signaling to MCU upon undervoltage. Use Value: Integrated RO output replaces discrete reset IC, reducing BOM count and PCB area by 30%. | Use Scenario: Providing stable 5 V supply to engine management MCU and analog front-end during cranking and load dump. IC Role / Device Role / Timing Role: Main post-DCDC regulator with cold-crank support and fail-safe reset generation. Use Value: 5.5 V min input and 40 V max continuous rating eliminate need for upstream TVS clamping in most designs. |
| Transmission Control Unit (TCU) | ADAS Camera Power Module |
Use Scenario: Powering solenoid drivers and position sensors in automatic transmission control systems. IC Role / Device Role / Timing Role: High-current LDO with thermal foldback protecting against solenoid coil short faults. Use Value: ≥400 mA output and short-circuit proof operation enable direct drive of 300 mA solenoid bias circuits. | Use Scenario: Delivering clean 5 V to image sensor and ISP in rear-view or surround-view camera modules. IC Role / Device Role / Timing Role: Low-noise, low-ESR-regulated supply with reset coordination to SoC boot sequence. Use Value: 22 µF/≤3 Ω output capacitor requirement ensures <10 mV ripple at 100 kHz switching noise frequencies. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 5 V automotive LDO applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV73350PDBVR | 300 mA max output, no reset function, SOT-23-5 package | Lacks RO output, E2/E6 control, and overvoltage protection beyond 20 V | Suitable only for non-safety-critical, low-power interior modules without reset coordination needs |
| TPS7B8750QKVURQ1 | 500 mA output, integrated watchdog timer, wettable flank QFN | Includes window watchdog but no adjustable reset delay or hold function | Better for ASIL-B systems requiring supervision, but less flexible for custom reset timing |
Compared with TLV73350PDBVR and TPS7B8750QKVURQ1, the TLE4267GMXUMA1 uniquely combines adjustable reset delay, open-collector reset signaling, and 60 V transient survivability-making it optimal for legacy and cost-sensitive automotive platforms where timing flexibility and robustness outweigh advanced supervision features.
Availability
TLE4267GMXUMA1 is available at Aetrix Electronics and suitable for Body Control Modules, Engine Control Units, Transmission Control Units, and ADAS camera power modules requiring stable component supply across extended temperature and high-reliability automotive environments.
Supply support for TLE4267GMXUMA1 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 OPTIREG™ linear product line delivers AEC-Q100-qualified voltage regulators optimized for battery-connected automotive subsystems requiring high fault tolerance, wide input range, and integrated protection functions.
FAQ
What is the minimum input voltage required for regulation?
The TLE4267GMXUMA1 maintains regulation down to 5.5 V input across its full operating temperature range. Below this, output voltage drops linearly with input; the device remains functional but does not regulate. This enables operation during automotive cold-crank events where battery voltage dips to 5.5 V for up to 15 ms.
How is the reset delay time calculated from the capacitor on pin D?
Reset delay tdelay ≈ 10 × CD (in µF) × 1000 ms, where CD is the capacitor value in µF connected between pin D and GND. For example, a 100 nF capacitor yields ~10 ms delay. The relationship is linear and verified across -40°C to +125°C per datasheet Figure 14.
Can pin E6 be left unconnected?
No. Pin E6 must be connected to the output (Q) via the internal 50 kΩ pull-up resistor; leaving it floating may cause unpredictable reset hold behavior. If hold functionality is unused, connect E6 directly to Q. Do not tie to GND or leave open.
Is the PG-DSO-14 package thermally compatible with standard SOIC-14 footprints?
No. The PG-DSO-14 has an exposed thermal pad (AEP) on the underside requiring dedicated PCB copper pour and vias. Standard SOIC-14 land patterns lack thermal pad clearance and via placement, risking overheating and premature failure above 250 mA continuous load.
TLE4267GMXUMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- OPTIREG™
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 40V
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.6V @ 400mA
- Current - Output:
- 400mA
- Current - Quiescent (Iq):
- 4 mA
- Current - Supply (Max):
- 80 mA
- PSRR:
- 54dB (100Hz)
- Control Features:
- Inhibit, Reset
- Protection Features:
- Over Temperature, Over Voltage, Reverse Polarity, Short Circuit, Transient Voltage
- Operating Temperature:
- -40°C ~ 150°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PG-DSO-14-30
TLE4267GMXUMA1 FAQ
1.How can I place an order for TLE4267GMXUMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLE4267GMXUMA1 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 TLE4267GMXUMA1 reliable?
The price and inventory of TLE4267GMXUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE4267GMXUMA1 is usually 5 days.
3.What payment methods are accepted for TLE4267GMXUMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE4267GMXUMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLE4267GMXUMA1?
TLE4267GMXUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLE4267GMXUMA1 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 TLE4267GMXUMA1?
For technical support, including TLE4267GMXUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE4267GMXUMA1 requirements.
6.How does Aetrix verify that TLE4267GMXUMA1 is sourced from the original manufacturer or authorized distributors?
All TLE4267GMXUMA1 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 TLE4267GMXUMA1 meets industry standards.
7.What is the process for return or replacement of TLE4267GMXUMA1?
All TLE4267GMXUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with TLE4267GMXUMA1, 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 TLE4267GMXUMA1 part is unused and in its original packaging.
Return procedure for TLE4267GMXUMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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