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Analog Devices Inc. LTC7003MPMSE#PBF
- Part No.:
- LTC7003MPMSE#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Gate Drivers
- Package:
- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad
- Datasheet:
-
LTC7003MPMSE#PBF.pdf
- Description:
- IC GATE DRVR HIGH-SIDE 16MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:232
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Product details
Overview
LTC7003MPMSE#PBF from Analog Devices is a high-side N-channel MOSFET gate driver IC designed for protected static and switching applications up to 60V input. It integrates an internal charge pump for 100% duty cycle operation, delivers 2.2Ω pull-up / 1Ω pull-down gate drive strength, achieves 35ns propagation delay, and provides adjustable overcurrent protection with automatic retry. It is used in automotive electronic valve control, industrial load switching, and high-reliability power distribution systems.
For engineers reviewing the LTC7003MPMSE#PBF datasheet, LTC7003MPMSE#PBF pinout, LTC7003MPMSE#PBF application, or LTC7003MPMSE#PBF equivalent, key selection considerations include its –55°C to 150°C extended temperature grade, MSOP-16 thermally enhanced package with exposed GND pad, adjustable current trip threshold (20–75 mV), open-drain FAULT flag, and bootstrapped BST-TS supply regulation to 12 V.
Technical Context
The LTC7003MPMSE#PBF implements a level-shifted high-side driver architecture with integrated charge pump that sustains gate drive voltage (BST–TS) at 12 V across full VIN range (3.5–60 V), enabling indefinite conduction of external N-MOSFETs. Its current sense comparator monitors ΔVSNS across an external shunt, with trip threshold set via ISET pin (20–75 mV) and fault timing controlled by external CT capacitor.
Protection logic includes programmable VIN undervoltage/overvoltage lockouts (via RUN/OVLO pins), VCC undervoltage lockout (via VCCUV pin), BST–TS floating UVLO (3.1 V), and thermal shutdown at ~180°C. The IMON pin provides a ground-referenced 20× amplified current monitor output (0–1.5 V), while FAULT and TIMER pins support fault warning, timed turn-off, and auto-retry sequencing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VIN Range | 3.5 V to 60 V - supports wide-input industrial and automotive battery systems without external regulators |
| Gate Drive Strength | 2.2 Ω pull-up / 1 Ω pull-down - enables fast switching of large gate capacitances (e.g., >1 nF) with minimal rise/fall time degradation |
| Propagation Delay | 35 ns - ensures precise timing alignment between INP command and TGUP/TGDN transitions under load |
| Current Sense Threshold | 20–75 mV (adjustable via ISET) - allows optimization of sense resistor value to balance accuracy vs. conduction loss |
| Operating Temp Range | –55°C to +150°C - qualified for extended-temperature automotive and aerospace applications (MP grade) |
| BST–TS Regulation | 12 V (typ.) - maintains sufficient gate overdrive for low RDS(on) of high-voltage N-MOSFETs across full duty cycle |
| Shutdown Current | 1 µA - minimizes standby power in always-on systems such as battery-backed controllers |
Pinout & Package
The LTC7003MPMSE#PBF is housed in a thermally enhanced 16-lead plastic MSOP package with exposed GND pad (Pin 17), requiring soldering to PCB for rated thermal performance (θJA = 45°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RUN (1) | Enable/Shutdown Control | CMOS-compatible input; ≥1.21 V enables operation, <0.7 V forces 1 µA shutdown mode |
| VIN (2) | Main Supply Input | Accepts 3.5–60 V; powers internal LDO and charge pump; requires 0.1 µF bypass to GND |
| VCC (3) | Internal LDO Output | 10 V regulated output (or VIN in dropout); powers gate drivers; must not exceed VIN |
| VCCUV (4) | VCC Undervoltage Lockout Set | Resistor-to-GND sets VCC UVLO threshold (3.5–10.5 V) via 7× scaling |
| FAULT (5) | Open-Drain Fault Flag | Pulls low when overcurrent detected; 200 Ω typical pull-down impedance; indicates imminent TGDN activation |
| TIMER (6) | Fault Timing Capacitor Node | External CT to GND sets fault warning, turn-off, and cooldown/retry intervals |
| INP (7) | CMOS Input Command | Ground-referenced digital signal; internal 1 MΩ pull-down holds TGDN low during startup |
| OVLO (8) | Input Overvoltage Lockout | Resistor divider sets VIN OVLO threshold; triggers fault if voltage exceeds 1.21 V |
| ISET (9) | Current Trip Threshold Set | Resistor-to-GND programs ΔVTH from 20–75 mV; open = 30 mV default |
| IMON (10) | Current Monitor Output | Ground-referenced 20× amplified SNS+–SNS– voltage (0–1.5 V range) |
| TGDN (11) | High-Side Gate Pull-Down | N-MOSFET driver terminal pulled to TS; connects directly to MOSFET gate for fastest turn-off |
| TGUP (12) | High-Side Gate Pull-Up | Pulled to BST; ties to TGDN for max speed or adds series resistor for slew control |
| TS (13) | Top-Side Source Reference | High-side source connection point; serves as local ground reference for SNS+/SNS– and TG terminals |
| BST (14) | Bootstrapped Supply | Charge pump output; 12 V above TS (typ.); requires 0.1 µF capacitor to TS |
| SNS– (15) | Current Sense Negative | Low-side connection of external sense resistor; Kelvin-connected via ≥100 Ω resistor |
| SNS+ (16) | Current Sense Positive | High-side connection of external sense resistor; Kelvin-connected for accurate ΔVSNS measurement |
| GND (17) | Exposed Thermal Pad | Must be soldered to PCB plane; serves as primary thermal and electrical ground path |
Key Features
| Feature | Design Value |
|---|---|
| 100% Duty Cycle Support | Integrated charge pump maintains BST–TS at 12 V regardless of ON-time duration, enabling continuous conduction |
| Adjustable Overcurrent Protection | ISET pin allows precise setting of current trip threshold (20–75 mV), minimizing sense resistor power loss |
| Programmable Fault Timing | External TIMER capacitor configures fault warning window, turn-off delay, and auto-retry cooldown period |
| Ground-Referenced Current Monitoring | IMON pin outputs 20× scaled, GND-referenced voltage of SNS+–SNS–, simplifying ADC interfacing and diagnostics |
| Multi-Stage Input Protection | RUN/OVLO/VCCUV pins enable independent, resistor-programmable VIN and VCC undervoltage/overvoltage lockouts |
Applications
| Automotive Electronic Valve Control | Industrial Load Switching |
|---|---|
Use Scenario: Controlling solenoid valves in engine management or transmission systems under harsh under-hood conditions. IC Role / Device Role / Timing Role: High-side gate driver enabling fast, protected switching of 12–48 V N-MOSFETs driving inductive loads. Use Value: AEC-Q100 MP-grade operation (–55°C to +150°C), integrated overcurrent and thermal protection prevent valve latch-up or coil burnout. | Use Scenario: Remote on/off control of DC-powered machinery, HVAC actuators, or PLC I/O modules. IC Role / Device Role / Timing Role: Static high-side switch driver with adjustable current limit and fault reporting for safety-critical loads. Use Value: Open-drain FAULT flag and IMON output enable real-time diagnostics and predictive maintenance in industrial networks. |
| High-Voltage Power Distribution | Redundant Supply Management |
Use Scenario: Hot-swap and OR-ing control in telecom or server power supplies operating from 36–60 V bus rails. IC Role / Device Role / Timing Role: Fast-turn-on/-off gate driver with programmable slew rate and short-circuit protection for N-MOSFET OR-ing FETs. Use Value: 35 ns propagation delay and 2.2 Ω/1 Ω drive strength minimize cross-conduction risk and improve system efficiency. | Use Scenario: Dual-supply redundancy in avionics or medical equipment where seamless failover is mandatory. IC Role / Device Role / Timing Role: Protected high-side switch managing primary/backup supply paths with automatic fault recovery. Use Value: Automatic restart timer and cooldown period ensure transient overloads (e.g., inrush) do not cause permanent shutdown. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-side NMOS gate driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM5060MMX/NOPB | Lower VIN max (65 V), no internal charge pump (requires external bootstrap diode/cap), fixed 50 mV current threshold, no IMON output | Best suited for cost-sensitive, non-100%-duty-cycle applications where external bootstrap is acceptable | Select LM5060MMX/NOPB only if 100% duty cycle is unnecessary and IMON monitoring is not required |
| TPS27081ADDAR | Lower VIN max (40 V), integrated 120 mΩ high-side switch (not driver), fixed current limit, no adjustable timing or charge pump | Targeted at low-voltage, integrated load switch use cases-not external MOSFET gate driving | Choose TPS27081ADDAR only for compact, self-contained 40 V load switches-unsuitable as gate driver replacement |
Compared with LM5060MMX/NOPB and TPS27081ADDAR, the LTC7003MPMSE#PBF uniquely combines 60 V operation, internal charge pump for true 100% duty cycle, adjustable current sensing, and diagnostic IMON output-making it the only option among the three suitable for demanding automotive and industrial high-side gate driving with full protection and telemetry.
Availability
LTC7003MPMSE#PBF is available at Aetrix Electronics and suitable for automotive electronic valve control, industrial load switching, and high-voltage power distribution requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LTC7003MPMSE#PBF 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
Analog Devices, Inc. is a global semiconductor leader specializing in high-performance analog, mixed-signal, and digital signal processing technologies for precision, power, and reliability-critical applications.
The LTC7003MPMSE#PBF belongs to Analog Devices' Power by Linear™ high-side gate driver family, engineered for robust, protected switching of N-channel MOSFETs in automotive, industrial, and telecom power systems demanding extended temperature operation and comprehensive fault management.
FAQ
What is the operating temperature range of the LTC7003MPMSE#PBF?
The LTC7003MPMSE#PBF is specified for operation from –55°C to +150°C junction temperature and is tested and guaranteed across this full range. This MP-grade qualification meets stringent requirements for under-hood automotive, aerospace, and industrial environments where thermal extremes are common. Its thermal design leverages the exposed GND pad in the MSOP-16 package to maintain safe junction temperatures under sustained load.
How does the LTC7003MPMSE#PBF achieve 100% duty cycle operation?
The LTC7003MPMSE#PBF achieves 100% duty cycle operation using an integrated charge pump that regulates the BST–TS voltage to 12 V regardless of how long TGUP remains active. Unlike bootstrap circuits dependent on periodic switching, this internal charge pump sustains gate drive voltage even during continuous conduction, enabling indefinite ON-time for high-side N-MOSFETs without external diodes or capacitors.
Can the current trip threshold of the LTC7003MPMSE#PBF be adjusted, and how?
Yes, the current trip threshold (ΔVTH) of the LTC7003MPMSE#PBF is adjustable from 20 mV to 75 mV via the ISET pin. Connecting a resistor from ISET to GND sets the internal reference voltage, which is divided by 20 to determine ΔVTH. An open ISET pin defaults to 30 mV, while shorting ISET to GND yields the minimum 20 mV threshold-allowing optimization of sense resistor size and power loss.
What is the function of the IMON pin on the LTC7003MPMSE#PBF?
The IMON pin on the LTC7003MPMSE#PBF provides a ground-referenced analog output voltage equal to 20× the voltage difference between SNS+ and SNS– (i.e., 20 × ΔVSNS). This linear, 0–1.5 V output enables direct interfacing with microcontroller ADCs for real-time current monitoring, diagnostics, and closed-loop control-without requiring additional amplification or level-shifting circuitry.
Does the LTC7003MPMSE#PBF support programmable fault timing and automatic retry?
Yes, the LTC7003MPMSE#PBF supports fully programmable fault timing and automatic retry via the TIMER pin. An external capacitor (CT) from TIMER to GND sets three distinct intervals: fault warning duration, overcurrent turn-off delay, and cooldown period before automatic restart. This allows the device to tolerate brief transients while protecting against sustained overloads-enhancing system resilience without manual intervention.
LTC7003MPMSE#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Driven Configuration:
- High-Side
- Channel Type:
- Single
- Number of Drivers:
- 1
- Gate Type:
- N-Channel MOSFET
- Voltage - Supply:
- 3.5V ~ 15V
- Logic Voltage - VIL, VIH:
- -
- Current - Peak Output (Source, Sink):
- -
- Input Type:
- Non-Inverting
- High Side Voltage - Max (Bootstrap):
- 60 V
- Rise / Fall Time (Typ):
- 90ns, 40ns
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-MSOP-EP
LTC7003MPMSE#PBF FAQ
1.How can I place an order for LTC7003MPMSE#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC7003MPMSE#PBF 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 LTC7003MPMSE#PBF reliable?
The price and inventory of LTC7003MPMSE#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC7003MPMSE#PBF is usually 5 days.
3.What payment methods are accepted for LTC7003MPMSE#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC7003MPMSE#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC7003MPMSE#PBF?
LTC7003MPMSE#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC7003MPMSE#PBF 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 LTC7003MPMSE#PBF?
For technical support, including LTC7003MPMSE#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC7003MPMSE#PBF requirements.
6.How does Aetrix verify that LTC7003MPMSE#PBF is sourced from the original manufacturer or authorized distributors?
All LTC7003MPMSE#PBF 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 LTC7003MPMSE#PBF meets industry standards.
7.What is the process for return or replacement of LTC7003MPMSE#PBF?
All LTC7003MPMSE#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC7003MPMSE#PBF, 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 LTC7003MPMSE#PBF part is unused and in its original packaging.
Return procedure for LTC7003MPMSE#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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