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Analog Devices Inc. LTC7000ARMSE#PBF
- Part No.:
- LTC7000ARMSE#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Gate Drivers
- Package:
- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad
- Datasheet:
-
LTC7000ARMSE#PBF.pdf
- Description:
- IC GATE DRVR HIGH-SIDE 16MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,396
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Product details
Overview
LTC7000ARMSE#PBF from Analog Devices is a high-voltage, fast-turning high-side N-channel MOSFET gate driver IC designed for static and switching applications up to 135V input. It integrates an internal charge pump for 100% duty cycle operation, delivers 2.2Ω pull-up / 1Ω pull-down drive strength, and provides adjustable overcurrent protection with 35ns propagation delay. It is used in automotive electronic valve control and industrial load switching where robust fault management and high dv/dt immunity are required.
For engineers reviewing the LTC7000ARMSE#PBF datasheet, LTC7000ARMSE#PBF pinout, LTC7000ARMSE#PBF application, or LTC7000ARMSE#PBF equivalent, key selection criteria include its 135V VIN operating range, 150V absolute max rating, adjustable current trip threshold (via ISET), IMON current monitor output, and thermally enhanced 16-lead MSOP package with exposed GND pad.
Technical Context
The LTC7000ARMSE#PBF implements a level-shifted CMOS-compatible input stage with 400mV hysteresis and internal 1MΩ INP pull-down, enabling noise-immune control of high-side switches. Its integrated charge pump regulates BST–TS to 12V (typ) across 0–135V TS voltage range, supporting indefinite conduction without external bootstrap diode or capacitor recharging limitations.
Overcurrent protection uses a precision ΔVTH comparator (20–75mV programmable via ISET) monitoring SNS+/SNS– differential voltage across an external sense resistor. Fault response includes configurable TIMER-based warning, turn-off, and automatic retry - with FAULT pin asserting open-drain low before TGDN pulls to TS.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VIN Operating Range | 3.5V to 135V - supports wide-input industrial and automotive battery-fed systems without external regulators. |
| Max Absolute VIN | 150V - enables safe operation with transient margin in 125V DC bus applications. |
| TGUP/TGDN Drive Strength | 2.2Ω pull-up / 1Ω pull-down - ensures <13ns rise/fall times into 1nF load, minimizing switching losses. |
| Propagation Delay | 35ns (typ) - guarantees tight timing control for high-frequency synchronous rectification or PWM-driven loads. |
| Current Sense Threshold ΔVTH | 20mV to 75mV (adjustable via ISET) - allows precise, low-loss current limiting using sub-10mΩ sense resistors. |
| IMON Output | 0–1.5V ground-referenced, 20× gain - provides real-time analog current feedback for closed-loop monitoring or diagnostics. |
| Operating Temp Range | −40°C to +150°C - qualified for under-hood automotive and high-temp industrial environments. |
Pinout & Package
Package: 16-lead plastic MSOP (MSE16) with exposed thermal pad (Pin 17 = GND). High-voltage creepage optimized; pin spacing meets ≥150V isolation requirements.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RUN (Pin 1) | Enable/UVLO control input | Enables operation above 1.21V; shuts down to ~1µA at <0.7V - allows system-level power sequencing. |
| VIN (Pin 2) | Main supply input | Powers internal LDO and charge pump; requires ≥0.1µF bypass to GND - sets upper limit for VCC and BST-TS generation. |
| VCC (Pin 3) | Internal LDO output & driver supply | 10V regulated output (or follows VIN if <10V); powers logic and gate drivers - can be overdriven externally for high-frequency use. |
| VCCUV (Pin 4) | VCC undervoltage lockout reference | Sets VCC UVLO threshold (3.5–10.5V) via resistor divider - prevents unreliable gate drive during brownout. |
| FAULT (Pin 5) | Open-drain fault flag | Pulls low before TGDN turns off during overcurrent - enables early system warning and coordinated shutdown. |
| TIMER (Pin 6) | Fault timing capacitor node | CT to GND sets warning delay, turn-off time, and auto-retry interval - configurable for transient tolerance vs. protection speed. |
| INP (Pin 7) | CMOS-compatible control input | Ground-referenced digital signal (VIH=2.0V, VIL=1.6V) - drives TGUP/TGDN with 400mV hysteresis for noise immunity. |
| OVLO (Pin 8) | Input overvoltage lockout input | Resistor divider from VIN sets OVLO threshold (1.11–1.21V) - disables switch above safe input voltage. |
| ISET (Pin 9) | Current trip threshold programming | Resistor to GND sets ΔVTH = VISET/20 (20–75mV) - enables precise, low-power current limiting. |
| IMON (Pin 10) | Analog current monitor output | Ground-referenced 20× amplified SNS+–SNS– voltage (0–1.5V) - supports real-time current telemetry without extra op-amps. |
| TGDN (Pin 11) | High-current gate pull-down output | Direct connection to MOSFET gate ensures fast, low-impedance turn-off - critical for short-circuit protection. |
| TGUP (Pin 12) | High-current gate pull-up output | Connects to BST; ties directly to TGDN for fastest switching - optional series resistor controls dV/dt during turn-on. |
| TS (Pin 13) | High-side source reference | Connects to MOSFET source - serves as local ground reference for SNS+, SNS–, BST, and TG outputs. |
| BST (Pin 14) | Bootstrapped supply rail | Swings from TS to TS+12V - supplies TGUP; requires ≥0.1µF capacitor to TS for charge pump stability. |
| SNS– (Pin 15) | Negative current sense input | Kelvin-connected to sense resistor low side - minimizes PCB trace IR error in high-current paths. |
| SNS+ (Pin 16) | Positive current sense input | Kelvin-connected to sense resistor high side - enables accurate ΔVSNS measurement independent of load return path. |
| GND (Pin 17, Exposed Pad) | Thermal & electrical ground | Must be soldered to PCB copper pour - provides primary thermal path (θJC = 10°C/W) and low-impedance return. |
Key Features
| Feature | Design Value |
|---|---|
| 100% duty cycle support | Integrated charge pump maintains BST–TS ≥12V regardless of TS voltage (0–135V), eliminating external bootstrap diode and enabling continuous conduction. |
| Programmable overcurrent protection | ISET pin adjusts current trip threshold from 20mV to 75mV - permits use of ultra-low-value sense resistors (<5mΩ) while maintaining accuracy. |
| Real-time current monitoring | IMON pin delivers ground-referenced 0–1.5V analog output proportional to load current (20× gain) - simplifies diagnostics and closed-loop control. |
| Configurable fault response | TIMER pin accepts external capacitor to set warning delay, turn-off timing, and auto-retry period - balances transient ride-through vs. device protection. |
| Automotive-grade reliability | AEC-Q100 qualified (Grade 1: −40°C to +150°C) with thermal shutdown at ~180°C and restart at ~160°C - suitable for under-hood valve and actuator drivers. |
Applications
| Automotive Electronic Valve Control | Industrial DC Load Switching |
|---|---|
|
Use Scenario: Driving solenoid valves in 12V/24V/48V commercial vehicle braking or fuel injection systems with rapid on/off cycling and fault detection. IC Role / Device Role / Timing Role: High-side gate driver controlling N-MOSFET that switches valve coil current; monitors current via SNS+/SNS– and asserts FAULT before thermal damage occurs. Use Value: Enables AEC-Q100-compliant, self-protected valve actuation with <35ns timing control and IMON-based current feedback for ECU diagnostics. |
Use Scenario: Remote-controlled power distribution in factory automation panels, where 48V–135V DC loads (motors, heaters, lighting) require robust static switching. IC Role / Device Role / Timing Role: High-voltage static switch controller managing large N-MOSFETs; uses RUN pin for system-level enable/disable and OVLO for input overvoltage cutoff. Use Value: Delivers 135V-rated switching with adjustable current limit, automatic retry after overload, and thermal protection - reducing need for external supervision circuitry. |
| High-Frequency Gate Driving | Redundant Power Supply OR-ing |
|
Use Scenario: Driving high-side N-MOSFETs in isolated DC–DC converters or active rectifiers operating at >100kHz with tight dead-time control. IC Role / Device Role / Timing Role: Fast-propagation gate driver (35ns) with low-impedance TGUP/TGDN outputs; VCC can be overdriven externally to sustain high-frequency gate charge delivery. Use Value: Supports efficient high-frequency operation with minimal shoot-through risk due to matched rise/fall times and precise propagation delay. |
Use Scenario: OR-ing diode replacement in dual-redundant 48V telecom or server power supplies, where back-to-back MOSFETs prevent reverse current flow. IC Role / Device Role / Timing Role: High-side driver for N-MOSFET in ideal diode configuration; uses SNS+/SNS– to detect reverse current and instantly pull TGDN low. Use Value: Achieves near-zero forward voltage drop and reverse-current blocking with built-in overcurrent protection - improving efficiency and reliability over Schottky diodes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-side gate driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM5109BMM/NOPB | No integrated charge pump; requires external bootstrap diode/capacitor; no current sensing or IMON; 60V max VIN. | Lacks overcurrent protection and analog current monitor; limited to lower-voltage DC–DC and motor control. | Select when cost sensitivity outweighs protection needs and VIN ≤60V; not suitable for 135V static switching or automotive AEC-Q100 use. |
| UCC27531DR | Low-side driver only; no high-side level shift or charge pump; 24V max VDD; no fault flag or current sense. | Cannot drive high-side N-MOSFETs directly; requires external level-shifting circuitry for high-side use. | Choose only for low-side gate driving or when paired with isolated level shifter; does not replace LTC7000ARMSE#PBF's integrated high-side functionality. |
Compared with LM5109BMM/NOPB and UCC27531DR, the LTC7000ARMSE#PBF uniquely combines 135V operation, integrated charge pump, programmable overcurrent protection, and ground-referenced IMON output - making it the only option among the three qualified for AEC-Q100 automotive static switching with full diagnostic capability.
Availability
LTC7000ARMSE#PBF is available at Aetrix Electronics and suitable for automotive electronic valve control, industrial DC load switching, and high-frequency gate driving requiring stable component supply, long-term lifecycle support, and AEC-Q100 compliance.
Supply support for LTC7000ARMSE#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 is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets.
The LTC7000A product line delivers high-voltage, protected high-side gate drivers with integrated diagnostics and automotive qualification - engineered for mission-critical load switching in harsh environments.
FAQ
What is the maximum input voltage the LTC7000ARMSE#PBF can handle?
The LTC7000ARMSE#PBF supports an operating input voltage range of 3.5V to 135V, with an absolute maximum rating of 150V on the VIN pin. This allows safe operation in 125V DC bus systems with transient margin. Exceeding 150V may cause permanent damage per Absolute Maximum Ratings.
Does the LTC7000ARMSE#PBF support 100% duty cycle operation?
Yes, the LTC7000ARMSE#PBF supports true 100% duty cycle operation via its integrated charge pump, which maintains BST–TS at ~12V regardless of TS voltage (0–135V). This eliminates reliance on external bootstrap diodes and enables indefinite conduction - essential for static switch applications.
How is overcurrent protection configured on the LTC7000ARMSE#PBF?
Overcurrent protection on the LTC7000ARMSE#PBF is configured using the ISET pin: connecting a resistor from ISET to GND sets the current sense threshold ΔVTH = VISET/20, adjustable from 20mV to 75mV. With ISET open, ΔVTH defaults to 30mV - enabling precise, low-loss current limiting with sub-10mΩ sense resistors.
What is the function of the IMON pin on the LTC7000ARMSE#PBF?
The IMON pin on the LTC7000ARMSE#PBF provides a ground-referenced analog output voltage equal to 20× the differential voltage across the external sense resistor (SNS+–SNS–), ranging from 0V to 1.5V. It enables real-time current telemetry without external amplification - useful for ECU diagnostics, closed-loop control, or fault logging.
Is the LTC7000ARMSE#PBF qualified for automotive applications?
Yes, the LTC7000ARMSE#PBF is AEC-Q100 qualified (Grade 1: −40°C to +150°C) and offered in automotive-grade variants (e.g., LTC7000ARMSE#WPBF). It includes thermal shutdown (~180°C) and restart (~160°C), high dv/dt immunity, and robust protection features required for under-hood electronic valve and actuator drivers.
LTC7000ARMSE#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 ~ 135V
- Logic Voltage - VIL, VIH:
- 1.8V, 1.7V
- Current - Peak Output (Source, Sink):
- -
- Input Type:
- Non-Inverting
- High Side Voltage - Max (Bootstrap):
- 14 V
- Rise / Fall Time (Typ):
- 90ns, 40ns
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-MSOP-EP
LTC7000ARMSE#PBF FAQ
1.How can I place an order for LTC7000ARMSE#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC7000ARMSE#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 LTC7000ARMSE#PBF reliable?
The price and inventory of LTC7000ARMSE#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC7000ARMSE#PBF is usually 5 days.
3.What payment methods are accepted for LTC7000ARMSE#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC7000ARMSE#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC7000ARMSE#PBF?
LTC7000ARMSE#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC7000ARMSE#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 LTC7000ARMSE#PBF?
For technical support, including LTC7000ARMSE#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC7000ARMSE#PBF requirements.
6.How does Aetrix verify that LTC7000ARMSE#PBF is sourced from the original manufacturer or authorized distributors?
All LTC7000ARMSE#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 LTC7000ARMSE#PBF meets industry standards.
7.What is the process for return or replacement of LTC7000ARMSE#PBF?
All LTC7000ARMSE#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC7000ARMSE#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 LTC7000ARMSE#PBF part is unused and in its original packaging.
Return procedure for LTC7000ARMSE#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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