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Analog Devices Inc. LTC7000IMSE-1#WPBF
- Part No.:
- LTC7000IMSE-1#WPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Gate Drivers
- Package:
- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad
- Datasheet:
-
LTC7000IMSE-1#WPBF.pdf
- Description:
- IC GATE DRVR HIGH-SIDE 16MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,773
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Product details
Overview
LTC7000IMSE-1#WPBF from Analog Devices is a high-voltage, fast-turning high-side N-channel MOSFET gate driver IC designed for static and high-frequency 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 gate drive strength, and features adjustable overcurrent protection with 35ns propagation delay. It is used in industrial load switches, electronic valve control, and high-reliability power distribution systems.
For engineers reviewing the LTC7000IMSE-1#WPBF datasheet, LTC7000IMSE-1#WPBF pinout, LTC7000IMSE-1#WPBF application, or LTC7000IMSE-1#WPBF equivalent, key selection criteria include its 135V max VIN rating, 16-pin MSOP thermal package with exposed GND pad, integrated fault timer with automatic retry, and absence of RUN/OVLO/ISET/IMON pins (LTC7000-1 variant).
Technical Context
The LTC7000IMSE-1#WPBF implements a level-shifted high-side driver architecture with bootstrap supply (BST–TS) regulation at 12V, enabling continuous conduction in N-MOSFET configurations. Its internal charge pump draws from TS or VCC, and its overcurrent protection uses a comparator monitoring ΔVSNS across an external sense resistor with fixed 30mV threshold (ISET open).
Unlike the LTC7000, the LTC7000-1 variant omits RUN, OVLO, ISET, and IMON pins-simplifying layout but removing programmable UVLO/OVLO, current trip adjustment, and current monitor output. Startup is VIN-triggered above 3.5V, and fault response relies solely on TIMER capacitor timing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VIN Range | 3.5V to 135V - supports wide-input industrial and automotive battery-fed systems without external pre-regulation. |
| Gate Drive Strength | 2.2Ω pull-up / 1Ω pull-down - ensures sub-100ns rise/fall times into 1nF load, critical for minimizing switching losses in high-frequency designs. |
| Propagation Delay | 35ns - enables precise timing control in fast-switching topologies and transient-critical protection circuits. |
| Overcurrent Threshold | Fixed 30mV ΔVSNS (ISET open) - sets minimum sense resistor value for low-loss current sensing; no external resistor required. |
| Package | 16-Lead MSOP (MSE16), exposed GND pad - provides 45°C/W θJA thermal resistance and high-voltage creepage compliance per MSE16(12) variant. |
| Operating Temp | –40°C to 125°C junction - qualified for extended industrial environments and under-hood automotive subsystems. |
| Fault Handling | Timer-based auto-retry with cooldown - prevents latch-up during transient overloads while maintaining system availability. |
Pinout & Package
Package: 16-Lead Plastic MSOP (MSE16), thermally enhanced with exposed GND pad (Pin 17). Pin spacing meets high-voltage clearance requirements per MSE16(12) variant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN (Pin 2) | Main high-voltage supply input | Accepts 3.5V–135V; powers internal LDO and charge pump; requires ≥0.1µF bypass to GND. |
| VCC (Pin 3) | Internal LDO output & driver supply | Regulated ~10V output; decoupled with ≥1µF ceramic; can be overdriven externally for high-frequency use. |
| FAULT (Pin 5) | Open-drain fault flag output | Pulls low when TIMER reaches 1.3V; indicates imminent TGDN turn-off due to overcurrent; 200Ω typical pull-down. |
| TIMER (Pin 6) | Fault timing capacitor node | Connects to GND via CT to set warning, shutdown, and retry intervals; >3.5V disables timer and forces immediate TGDN pull-down. |
| INP (Pin 7) | CMOS-compatible enable input | Active-high logic input referenced to GND; internal 1MΩ pull-down holds TGDN low at startup. |
| TGDN (Pin 11) | High-current gate pull-down terminal | Directly connects to MOSFET gate; pulls to TS (high-side source) to turn off; low-impedance path minimizes turn-off delay. |
| TGUP (Pin 12) | High-current gate pull-up terminal | Connects to BST; drives gate high relative to TS; may be tied directly to TGDN for fastest transition or series-resistor controlled slew. |
| TS (Pin 13) | High-side source reference | Return path for high-side switch; serves as local ground for SNS+, SNS–, BST, TGUP, TGDN; must be routed with low inductance. |
| BST (Pin 14) | Bootstrap supply node | Swings from ~12V to (VIN + 12V); requires ≥0.1µF capacitor to TS; supplies gate drive voltage for 100% duty cycle. |
| SNS+ (Pin 16) | Current sense positive input | Kelvin-connected to sense resistor high side; monitors ΔVSNS for overcurrent detection with fixed 30mV threshold. |
| GND (Pin 17) | Exposed thermal pad / system ground | Must be soldered to PCB copper for thermal performance (θJC = 10°C/W) and electrical reference integrity. |
Key Features
| Feature | Design Value |
|---|---|
| 100% Duty Cycle Support | Integrated charge pump regulates BST–TS to 12V, eliminating need for external bootstrap diode/capacitor and enabling indefinite high-side conduction. |
| Fast Switching Performance | 35ns propagation delay and <13ns rise/fall times into 1nF load ensure minimal dead-time loss and precise timing in high-frequency systems. |
| Robust Overcurrent Protection | Comparator-based fault detection with programmable timing via external CT capacitor enables selective response to transients vs. sustained faults. |
| High-Voltage Isolation Ready | MSE16(12) package variant provides increased pin creepage for reliable operation in 135V systems with reinforced insulation requirements. |
| Low-Power Shutdown | Quiescent current drops to ≤1µA in disabled state (via INP low), supporting energy-sensitive always-on subsystems. |
Applications
| Industrial Load Switch | Automotive Power Distribution |
|---|---|
Use Scenario: Remote-controlled 48V DC bus switching in factory automation PLC I/O modules. IC Role / Device Role / Timing Role: High-side gate driver controlling N-MOSFET pass element; handles 3.5–135V input with fast 35ns turn-on for responsive actuator control. Use Value: Enables compact, thermally efficient load switching without external level shifters or charge pump ICs, reducing BOM count by 3+ components. | Use Scenario: Fuseless power routing in 12V/48V dual-battery automotive gateways. IC Role / Device Role / Timing Role: Fault-protected high-side switch driver for ECU power domains; monitors load current via sense resistor and asserts FAULT before MOSFET thermal failure. Use Value: Provides AEC-Q100 qualified overcurrent protection with auto-retry, replacing electromechanical relays and discrete protection circuits. |
| Electronic Valve Control | High-Frequency SMPS Gate Driver |
Use Scenario: Precision on/off control of solenoid valves in HVAC and fluid handling systems operating from 24–72V DC rails. IC Role / Device Role / Timing Role: Static switch driver with adjustable slew rate (via TGUP series resistor) to suppress EMI during valve coil energization. Use Value: Eliminates contact bounce and arcing of mechanical relays; supports PWM-modulated hold current via external controller. | Use Scenario: High-side gate drive in 500kHz+ synchronous buck converters using 100V+ GaN FETs. IC Role / Device Role / Timing Role: Fast, low-impedance driver delivering 2.2Ω pull-up / 1Ω pull-down into large gate capacitance; VCC overdrive capability supports high-frequency gate charge delivery. Use Value: Reduces gate drive loss and improves efficiency at high switching frequencies where discrete drivers suffer from propagation delay and Rds(on) limitations. |
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 | Lower VIN max (65V), no integrated charge pump (requires external bootstrap), no overcurrent timer or FAULT pin. | Suitable only for ≤65V systems without fault logging or auto-retry; lacks current sense interface. | Select when cost sensitivity outweighs protection features and voltage range is constrained to ≤65V. |
| MAX17613ATP+ | Higher VIN max (150V), integrated current monitor (IMON), programmable ISET, but larger 20-pin TQFN package and higher quiescent current (12µA). | Supports precision current measurement and adjustable trip point; better suited for diagnostic-heavy industrial systems. | Choose when design requires current telemetry or fine-grained overcurrent threshold tuning beyond fixed 30mV. |
Compared with LM5109BMM/NOPB and MAX17613ATP+, the LTC7000IMSE-1#WPBF offers optimal balance of 135V operation, integrated fault timing, compact MSOP footprint, and ultra-low shutdown current-making it ideal for space-constrained, high-reliability static switching where fixed 30mV sensing suffices.
Availability
LTC7000IMSE-1#WPBF is available at Aetrix Electronics and suitable for industrial load switching, automotive power distribution, and electronic valve control requiring stable component supply and AEC-Q100-compliant reliability.
Supply support for LTC7000IMSE-1#WPBF 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 LTC7000 family is engineered for robust high-side N-MOSFET gate driving in harsh, high-voltage environments-emphasizing fast switching, integrated protection, and thermal resilience in compact packages.
FAQ
What is the maximum input voltage rating for the LTC7000IMSE-1#WPBF?
The LTC7000IMSE-1#WPBF has an absolute maximum VIN rating of 150V and operates continuously up to 135V. This allows direct connection to 48V, 72V, and 110V industrial DC buses without external voltage clamping or regulation. Exceeding 135V during normal operation risks violating safe operating area limits and triggering overvoltage-related protection mechanisms.
Does the LTC7000IMSE-1#WPBF support 100% duty cycle operation?
Yes, the LTC7000IMSE-1#WPBF supports true 100% duty cycle operation via its integrated charge pump, which maintains BST–TS at ~12V regardless of input voltage or conduction time. This eliminates reliance on external bootstrap diodes or capacitors and ensures reliable gate drive even during extended on-states-critical for static switch and electronic valve applications.
How does overcurrent protection work in the LTC7000IMSE-1#WPBF?
The LTC7000IMSE-1#WPBF detects overcurrent by comparing ΔVSNS across an external sense resistor to a fixed 30mV threshold (ISET open). When exceeded, the TIMER capacitor begins charging; upon reaching 1.3V, FAULT asserts and TGDN pulls to TS after a configurable delay. After cooldown, the device automatically retries-no external reset required.
What is the purpose of the TS pin on the LTC7000IMSE-1#WPBF?
The TS (Top Source) pin on the LTC7000IMSE-1#WPBF serves as the high-side reference node for SNS+, SNS–, BST, TGUP, and TGDN. It connects directly to the source of the external N-MOSFET and establishes the local ground for all high-side sensing and drive circuitry-enabling accurate current measurement and level-shifted gate control without floating supplies.
Is the LTC7000IMSE-1#WPBF pin-compatible with the LTC7000IMSE#WPBF?
No, the LTC7000IMSE-1#WPBF is not pin-compatible with the LTC7000IMSE#WPBF. The -1 variant removes RUN, OVLO, ISET, and IMON pins (Pins 1, 8, 9, 10), reallocating those positions to no-connect or alternate functions. PCB layouts must be redesigned to accommodate the reduced pin count and different functionality-especially removal of current monitoring and programmable lockouts.
LTC7000IMSE-1#WPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, 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:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-MSOP-EP
LTC7000IMSE-1#WPBF FAQ
1.How can I place an order for LTC7000IMSE-1#WPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC7000IMSE-1#WPBF 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 LTC7000IMSE-1#WPBF reliable?
The price and inventory of LTC7000IMSE-1#WPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC7000IMSE-1#WPBF is usually 5 days.
3.What payment methods are accepted for LTC7000IMSE-1#WPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC7000IMSE-1#WPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC7000IMSE-1#WPBF?
LTC7000IMSE-1#WPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC7000IMSE-1#WPBF 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 LTC7000IMSE-1#WPBF?
For technical support, including LTC7000IMSE-1#WPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC7000IMSE-1#WPBF requirements.
6.How does Aetrix verify that LTC7000IMSE-1#WPBF is sourced from the original manufacturer or authorized distributors?
All LTC7000IMSE-1#WPBF 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 LTC7000IMSE-1#WPBF meets industry standards.
7.What is the process for return or replacement of LTC7000IMSE-1#WPBF?
All LTC7000IMSE-1#WPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC7000IMSE-1#WPBF, 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 LTC7000IMSE-1#WPBF part is unused and in its original packaging.
Return procedure for LTC7000IMSE-1#WPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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