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Diodes Incorporated ZHCS750QTA
- Part No.:
- ZHCS750QTA
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
ZHCS750QTA.pdf
- Description:
- Schottky Diode SOT23 T&R 3K
- Quantity:
- Payment:
- Shipping:
Inventory:3,666
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Product details
Overview
ZHCS750QTA from Diodes Incorporated is a 40 V, 100 A automotive-grade N-channel enhancement-mode MOSFET in PowerDI5060 (SWP) package, optimized for high-temperature BLDC motor control and reverse battery protection. It features RDS(ON) ≤ 2.5 mΩ @ VGS = 10 V, 100% avalanche-rated operation, and AEC-Q101 qualification for under-hood applications up to +175 °C junction temperature.
For engineers reviewing the ZHCS750QTA datasheet, ZHCS750QTA pinout, ZHCS750QTA application, or ZHCS750QTA equivalent, key selection criteria include its low figure of merit (RDS(ON) × QG), robust SOA for inductive switching, Kelvin-source configuration for gate drive stability, and compatibility with 12 V automotive battery systems requiring reverse polarity protection and motor phase switching.
Technical Context
This MOSFET employs a high-temperature planar silicon process qualified to AEC-Q101 and rated for continuous operation at TJ = +175 °C. Its design targets high-current, high-reliability automotive power stages where thermal cycling, load dump transients, and repetitive avalanche stress are routine.
The device integrates a Kelvin-source terminal to separate power and signal return paths, minimizing gate loop inductance and enabling precise gate voltage control during fast switching. Its low QGD/QG ratio and fast body diode (trr < 50 ns, Qrr < 100 nC) reduce commutation losses in synchronous rectification and 3-phase bridge topologies.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDS | 40 V - Supports 12 V automotive battery systems with ISO 7637-2 pulse immunity margin |
| RDS(ON) max @ 10 V | 2.5 mΩ - Enables ≤ 25 W conduction loss at 100 A, critical for high-efficiency motor drives |
| ID @ TC = 25 °C | 100 A - Sustains peak phase currents in 3-phase BLDC pumps and steering actuators |
| EAS | 283 mJ - Withstands repetitive inductive turn-off energy without degradation in stalled-motor conditions |
| QG typ @ 10 V | 69 nC - Balances switching speed and gate driver power loss in 20–100 kHz PWM applications |
| TJ max | +175 °C - Certified for engine bay placement without derating in ambient > +125 °C environments |
| Package | PowerDI5060 (SWP) - Side-wall plated construction lowers thermal resistance (RθJC = 0.9 °C/W) |
Pinout & Package
Package: PowerDI5060 (SWP) - thermally enhanced surface-mount package with exposed drain pad and Kelvin-source terminal.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Drain (D) | Main current path output | Connected to PCB copper pour for thermal dissipation; electrically tied to package backside metal |
| Source (S) | Power return path | High-current source connection; internal bond wires routed separately from Kelvin source |
| Kelvin Source (KS) | Gate reference sensing node | Low-inductance dedicated trace for gate driver feedback-enables stable VGS control during dI/dt > 1 kA/µs |
| Gate (G) | Control input | Receives PWM signal; requires <10 Ω series resistance to damp ringing due to low QGD |
Key Features
| Feature | Design Value |
|---|---|
| Kelvin-source configuration | Eliminates source inductance impact on gate drive, enabling reliable 100 A switching at >50 kHz |
| 100% avalanche rated | Guarantees survivability under unclamped inductive switching events common in BLDC motor phase commutation |
| AEC-Q101 qualified | Validated across temperature cycling, HTRB, uHAST, and ESD (HBM ±2 kV) per automotive reliability standards |
| Side-wall plated (SWP) package | Reduces RθJC by 30% vs standard PowerDI5060, supporting 100 A continuous current with <40 °C rise at 10 cm² 2 oz Cu |
| Low QGD/QG ratio | Minimizes Miller-induced shoot-through risk in half-bridge configurations driving high-side/lower-side pairs |
Applications
| Electric Power Steering (EPS) | Fuel/Water Pump Motor Control |
|---|---|
Use Scenario: High-current 3-phase inverter driving brushless DC motor in steering column assembly, operating continuously at 85 °C ambient with transient spikes to +125 °C. IC Role / Device Role / Timing Role: Low-side switch in 3-phase bridge; handles 100 A peak phase current with <100 ns dead-time tolerance. Use Value: Kelvin-source terminal maintains gate threshold stability during dI/dt > 500 A/µs, preventing false turn-on and torque ripple. | Use Scenario: Compact 12 V coolant pump module mounted near engine block, subject to vibration, thermal shock, and load dump pulses per ISO 7637-2. IC Role / Device Role / Timing Role: Upper-leg switch in half-bridge topology; commutates at 25 kHz with 600 V flyback clamping. Use Value: 283 mJ EAS rating absorbs energy from stalled-pump inductive kick without failure over 10⁵ cycles. |
| Reverse Battery Protection | ABS Hydraulic Actuator Driver |
Use Scenario: Front-end protection circuit in body control module, guarding against accidental reverse connection during service. IC Role / Device Role / Timing Role: P-channel replacement used as N-channel high-side switch with charge pump; conducts 100 A during fault clearing. Use Value: 2.5 mΩ RDS(ON) limits forward voltage drop to <250 mV, reducing power loss and heat generation during normal operation. | Use Scenario: Solenoid driver in ABS modulator unit, cycling rapidly during emergency braking with high di/dt demands. IC Role / Device Role / Timing Role: Low-side switch controlling 24 V solenoid coil; switches at 100 Hz with 10 A peak current and 1 µs rise time. Use Value: Fast, soft-recovery body diode (Qrr = 95 nC) minimizes voltage overshoot and EMI during freewheeling, meeting CISPR 25 Class 5 limits. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-current automotive MOSFET applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DMTH4004LPSQ | RDS(ON) = 2.5 mΩ @ 10 V, same PowerDI5060 package, no Kelvin source | Lacks Kelvin-source terminal; gate drive less stable at >50 kHz or >100 A dI/dt | Select when cost sensitivity outweighs need for ultra-stable gate control in lower-frequency (<20 kHz) motor drives |
| DMTH4004SPSQ | RDS(ON) = 2.7 mΩ @ 10 V, identical footprint, no Kelvin source, higher QG (60 nC) | Higher switching loss; unsuitable for high-frequency PWM or tight dead-time control | Prefer for simpler gate drivers and applications where thermal margin allows higher RDS(ON) |
Compared with DMTH4004LPSQ and DMTH4004SPSQ, ZHCS750QTA delivers superior gate drive fidelity via its Kelvin-source pin, enabling tighter timing control and higher efficiency in demanding 3-phase BLDC inverters-critical for EPS and active safety systems where torque precision and functional safety compliance are mandatory.
Availability
ZHCS750QTA is available at Aetrix Electronics and suitable for electric power steering (EPS), fuel/water pump motor control, and reverse battery protection requiring stable component supply in automotive production programs.
Supply support for ZHCS750QTA 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 designs and manufactures discrete, analog, and mixed-signal semiconductors for automotive, industrial, and consumer markets, with global manufacturing certified to IATF 16949.
ZHCS750QTA belongs to Diodes' high-temperature N-channel MOSFET portfolio, engineered specifically for under-hood automotive power conversion where reliability at +175 °C and robustness against avalanche stress are non-negotiable.
FAQ
What is the maximum continuous drain current for ZHCS750QTA at 100 °C case temperature?
The maximum continuous drain current is 70 A at TC = 100 °C, derived from its 100 A rating at TC = 25 °C and thermal derating curve. This value assumes proper PCB layout with ≥ 10 cm² of 2 oz copper connected to the drain pad and forced airflow of ≥ 200 LFM.
Does ZHCS750QTA require a negative gate voltage for safe turn-off in high-noise automotive environments?
No. ZHCS750QTA has a gate threshold voltage range of 1.0–3.0 V and is fully specified for 0 V turn-off. A small negative bias (–2 V) may improve noise immunity but is not required; its robust VGS rating of ±20 V supports such implementation if system-level EMI testing indicates benefit.
Can ZHCS750QTA be used in parallel configurations for higher current handling?
Yes-its positive temperature coefficient of RDS(ON) enables current sharing. Parallel operation requires matched gate drive routing, individual gate resistors (≤ 5 Ω), and Kelvin-source connections to each device's gate driver to maintain balance under dynamic load conditions.
Is the Kelvin-source pin internally bonded or externally accessible in the PowerDI5060 (SWP) package?
The Kelvin-source pin is externally accessible as a dedicated terminal (pin 2) in the PowerDI5060 (SWP) package. It is not internally bonded to the main source; instead, it connects directly to the source metallization near the die edge, providing a low-inductance reference for gate driver feedback traces.
ZHCS750QTA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Bulk
- Product Status:
- Active
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 40 V
- Current - Average Rectified (Io):
- 1.5A
- Voltage - Forward (Vf) (Max) @ If:
- 650 mV @ 750 mA
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 12 ns
- Current - Reverse Leakage @ Vr:
- 100 µA @ 30 V
- Capacitance @ Vr, F:
- 25pF @ 25V, 1MHz
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
- Operating Temperature - Junction:
- 125°C
ZHCS750QTA FAQ
1.How can I place an order for ZHCS750QTA through Aetrix?
Please submit a Request for Quotation (RFQ) for ZHCS750QTA 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 ZHCS750QTA reliable?
The price and inventory of ZHCS750QTA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZHCS750QTA is usually 5 days.
3.What payment methods are accepted for ZHCS750QTA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZHCS750QTA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZHCS750QTA?
ZHCS750QTA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZHCS750QTA 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 ZHCS750QTA?
For technical support, including ZHCS750QTA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZHCS750QTA requirements.
6.How does Aetrix verify that ZHCS750QTA is sourced from the original manufacturer or authorized distributors?
All ZHCS750QTA 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 ZHCS750QTA meets industry standards.
7.What is the process for return or replacement of ZHCS750QTA?
All ZHCS750QTA units undergo pre-shipment inspection (PSI). If there is an issue with ZHCS750QTA, 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 ZHCS750QTA part is unused and in its original packaging.
Return procedure for ZHCS750QTA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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