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Diodes Incorporated ADC144EUQ-7
- Part No.:
- ADC144EUQ-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Bipolar Transistor Arrays, Pre-Biased
- Package:
- 6-TSSOP, SC-88, SOT-363
- Datasheet:
-
ADC144EUQ-7.pdf
- Description:
- PREBIAS TRANSISTOR SOT363 T&R 3K
- Quantity:
- Payment:
- Shipping:
Inventory:2,000
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Product details
Overview
ADC144EUQ-7 from Diodes Incorporated is an AEC-Q101 qualified NPN pre-biased dual transistor in SOT363 package, featuring integrated 47kΩ base resistors (R1 = R2), 100mA maximum collector current per element, and guaranteed switching at input voltages below 0.5V (OFF) and above 3.0V (ON). It serves as a compact logic-level interface driver in automotive body control modules.
For engineers reviewing the ADC144EUQ-7 datasheet, ADC144EUQ-7 pinout, ADC144EUQ-7 application, or ADC144EUQ-7 equivalent, key selection criteria include its dual-channel pre-biased configuration, ±30% R1 tolerance, -55°C to +150°C operating range, and IATF 16949 manufacturing compliance for automotive-grade reliability.
Technical Context
This dual NPN transistor integrates matched biasing networks (R1 = R2 = 47kΩ) to eliminate external base resistors, reducing PCB footprint and component count in digital signal conditioning circuits. Each channel operates independently with DC current gain (hFE) ≥68 at IC = 5mA and VCE = 5V.
The device supports rail-to-rail input operation (–10V to +40V), delivers 0.1V typical saturation voltage at IO/IIN = 10mA/0.5mA, and maintains stable performance across –55°C to +150°C - meeting stringent automotive ambient requirements without derating up to 125°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Max | 50V - supports 24V automotive supply rails with margin for load dump transients |
| IC(MAX) | 100mA per channel - drives small relays, LEDs, or MOSFET gates directly |
| VCE(sat) | 0.1V typ @ IO/IIN = 10mA/0.5mA - minimizes power loss in saturated switching |
| R1 / R2 | 47kΩ nominal - eliminates need for two external bias resistors per channel |
| hFE | ≥68 @ VCE = 5V, IC = 5mA - ensures reliable turn-on with low drive current |
| TJ Range | –55°C to +150°C - qualified for under-hood and transmission control applications |
| PD | 270mW total - enables dual-channel operation on standard FR4 without heatsinking |
Pinout & Package
SOT363 (SC-88) 6-pin surface-mount package with matte tin-plated leads, UL 94V-0 rated molding compound, and moisture sensitivity level 1 - suitable for standard reflow assembly without baking.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Emitter of Q1 | Common emitter connection for first NPN transistor; tied to ground reference in typical switch configuration |
| 2 | Base of Q1 | Internally connected to R1 (47kΩ) and R2 (47kΩ); accepts logic-level input for Q1 |
| 3 | Collector of Q1 | Output node for Q1; sinks up to 100mA when driven high at pin 2 |
| 4 | Collector of Q2 | Output node for Q2; independent sink path, electrically isolated from Q1 collector |
| 5 | Base of Q2 | Internally connected to same R1/R2 network as pin 2; accepts second logic-level input |
| 6 | Emitter of Q2 | Common emitter connection for second NPN transistor; separate from pin 1 but often tied to same ground |
Key Features
| Feature | Design Value |
|---|---|
| Dual pre-biased NPN topology | Reduces BOM count by eliminating four external base resistors in typical dual-switch designs |
| AEC-Q101 qualification | Validated for automotive use including temperature cycling, HTRB, and ESD testing per JESD22 |
| Matched R1/R2 ratio tolerance | ±20% R2/R1 ratio ensures consistent channel-to-channel switching thresholds |
| Green construction | Halogen- and antimony-free (<900ppm Br/Cl, <1000ppm Sb) meets global environmental compliance mandates |
| Thermal resistance | 450°C/W junction-to-ambient enables operation at full rating up to +85°C ambient without derating |
Applications
| LED Driver for Interior Lighting | Door Lock Actuator Interface |
|---|---|
Use Scenario: Driving multiple 20mA white LEDs in vehicle cabin lighting with PWM dimming. IC Role / Device Role / Timing Role: Dual-channel low-side switch translating microcontroller GPIO signals into LED current paths. Use Value: Integrated 47kΩ bias resistors enable direct 3.3V/5V logic drive without external components, saving 4 passives per channel. | Use Scenario: Controlling solenoid-based door lock actuators requiring 80mA pulse current. IC Role / Device Role / Timing Role: High-reliability NPN switch interfacing MCU outputs to inductive loads via flyback diode protection. Use Value: 100mA per channel rating and –55°C to +150°C range ensure robust operation in cold cranking and hot soak conditions. |
| Window Lift Motor Control | Body Control Module Input Conditioning |
Use Scenario: Bidirectional motor control using half-H-bridge configuration with discrete transistors. IC Role / Device Role / Timing Role: One ADC144EUQ-7 channel drives the low-side switch in each leg of the H-bridge. Use Value: Matched R1/R2 tolerances minimize timing skew between bridge legs, reducing shoot-through risk during direction reversal. | Use Scenario: Debouncing and level-shifting mechanical switch inputs (e.g., seat position sensors) into 3.3V MCU I/O. IC Role / Device Role / Timing Role: Digital input buffer providing noise immunity and voltage translation from 12V battery domain. Use Value: Guaranteed turn-on at VIN ≥3.0V and turn-off at VIN ≤0.5V ensures clean logic transitions despite battery ripple and EMI. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual NPN pre-biased transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NSVD2101PT3G | Higher R1/R2 (100kΩ), lower IC(MAX) (70mA), same SOT363 package | Less drive capability; suited for lower-current signal routing only | Select when lower input current draw is prioritized over output current headroom |
| EMX23T2R | Complementary NPN+PNP pair, different pinout (pins 1–3 = Q1, pins 4–6 = Q2), R1 = 22kΩ / R2 = 47kΩ | Enables push-pull output stages; not drop-in compatible due to pin assignment mismatch | Choose for complementary switching topologies where dual NPN-only is insufficient |
Compared with NSVD2101PT3G and EMX23T2R, ADC144EUQ-7 offers balanced 100mA drive, matched 47kΩ biasing, and AEC-Q101 validation - making it optimal for dual-channel automotive switch applications requiring predictable threshold behavior and thermal resilience.
Availability
ADC144EUQ-7 is available at Aetrix Electronics and suitable for automotive body control modules, interior lighting systems, and window lift motor interfaces requiring stable component supply and long-term production continuity.
Supply support for ADC144EUQ-7 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.
The ADC144EUQ belongs to Diodes' Automotive-Grade Pre-Biased Transistor product line, engineered specifically for space-constrained, high-reliability signal switching in vehicle body electronics and power distribution units.
FAQ
Is ADC144EUQ-7 pin-compatible with standard SOT363 dual transistors like MMBT5401/MMBT5551?
No. ADC144EUQ-7 integrates internal base resistors and uses a specific pinout (E-B-C / C-B-E) optimized for pre-biased operation. Standard dual transistors lack built-in resistors and follow different pin assignments, requiring schematic and layout changes for substitution.
What is the maximum allowable continuous current per channel at 105°C ambient?
At 105°C ambient, the device's 270mW total power dissipation must be shared between both channels. With RθJA = 450°C/W and TJ(max) = 150°C, maximum per-channel current is 72mA - calculated from PD = IC² × RCE(sat), using 0.3V worst-case VCE(sat).
Does ADC144EUQ-7 support 1.8V logic input levels?
No. The datasheet guarantees turn-on only when input voltage exceeds 3.0V (VIN(on)). At 1.8V, base current falls below the threshold needed to achieve IC/IB ≥ 10, resulting in incomplete saturation and unpredictable switching behavior.
Can ADC144EUQ-7 be used in linear amplifier configurations?
No. It is designed exclusively for switching operation. The integrated bias resistors fix the base current, preventing external bias network adjustment required for stable linear amplification. Its fT = 250MHz is specified only for small-signal switching characterization, not AC gain bandwidth.
ADC144EUQ-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 6-TSSOP, SC-88, SOT-363
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- 2 NPN - Pre-Biased (Dual)
- Current - Collector (Ic) (Max):
- 100mA
- Voltage - Collector Emitter Breakdown (Max):
- 50V
- Resistor - Base (R1):
- 47kOhms
- Resistor - Emitter Base (R2):
- 47kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 68 @ 5mA, 5V
- Vce Saturation (Max) @ Ib, Ic:
- 300mV @ 500µA, 10mA
- Current - Collector Cutoff (Max):
- 500nA
- Frequency - Transition:
- 250MHz
- Power - Max:
- 270mW
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-363
ADC144EUQ-7 FAQ
1.How can I place an order for ADC144EUQ-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADC144EUQ-7 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 ADC144EUQ-7 reliable?
The price and inventory of ADC144EUQ-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADC144EUQ-7 is usually 5 days.
3.What payment methods are accepted for ADC144EUQ-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADC144EUQ-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADC144EUQ-7?
ADC144EUQ-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADC144EUQ-7 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 ADC144EUQ-7?
For technical support, including ADC144EUQ-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADC144EUQ-7 requirements.
6.How does Aetrix verify that ADC144EUQ-7 is sourced from the original manufacturer or authorized distributors?
All ADC144EUQ-7 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 ADC144EUQ-7 meets industry standards.
7.What is the process for return or replacement of ADC144EUQ-7?
All ADC144EUQ-7 units undergo pre-shipment inspection (PSI). If there is an issue with ADC144EUQ-7, 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 ADC144EUQ-7 part is unused and in its original packaging.
Return procedure for ADC144EUQ-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADC144EUQ-7 Tags
-
SMUN5311DW1T1G
onsemi
-
UMH9NTN
Rohm Semiconductor
-
PUMH13,115
Nexperia USA Inc.
-
PUMD3-QX
Nexperia USA Inc.
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PUMD2,115
Nexperia USA Inc.
-
RN4987FE,LF(CT
Toshiba Semiconductor and Storage
-
PUMD12,115
Nexperia USA Inc.
-
PUMD9,115
Nexperia USA Inc.
-
PUMH9,115
Nexperia USA Inc.
-
PUMD3,115
Nexperia USA Inc.
-
DCX114EU-7-F
Diodes Incorporated
-
PUMD13,115
Nexperia USA Inc.
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