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Analog Devices Inc. LTC7000IMSE#WPBF
- Part No.:
- LTC7000IMSE#WPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Gate Drivers
- Package:
- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad
- Datasheet:
-
LTC7000IMSE#WPBF.pdf
- Description:
- IC GATE DRVR HIGH-SIDE 16MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,159
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Product details
Overview
LTC7000IMSE#WPBF from Analog Devices is a high-voltage, fast-turning high-side N-channel MOSFET gate driver IC designed for static and switching high-side switch 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, achieves 35ns propagation delay, and provides adjustable overcurrent protection with current monitor output. It is used in industrial power distribution systems requiring robust fault management and fast transient response.
For engineers reviewing the LTC7000IMSE#WPBF datasheet, LTC7000IMSE#WPBF pinout, LTC7000IMSE#WPBF application, or LTC7000IMSE#WPBF equivalent, key selection considerations include its 135V VIN capability, programmable current trip threshold via ISET pin, IMON current monitoring function, integrated fault timer with automatic retry, and thermally enhanced 16-lead MSOP package with exposed GND pad.
Technical Context
The LTC7000IMSE#WPBF implements a level-shifted high-side gate driver architecture with integrated charge pump that regulates BST–TS to 12V, enabling indefinite conduction of external N-MOSFETs. Its current sense comparator monitors ΔVSNS across an external shunt resistor and triggers fault shutdown after a timing capacitor–set delay when ΔVTH (programmable 20–75mV) is exceeded.
It features CMOS-compatible INP input referenced to GND, RUN pin–enabled startup control (active at >1.21V), OVLO input for input supply overvoltage lockout, and VCCUV-adjustable gate drive undervoltage lockout (3.5V–7.0V range). The FAULT pin provides open-drain indication of impending turn-off, while TIMER pin supports configurable warning, shutdown, and auto-retry intervals.
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 pre-regulation. |
| Gate Drive Strength | 2.2Ω pull-up / 1Ω pull-down - enables fast switching of large gate capacitances (e.g., 1nF load in ≤35ns). |
| Propagation Delay | 35ns - ensures precise timing alignment between INP command and TGUP/TGDN transition under load. |
| Current Sense Threshold | 20mV to 75mV (via ISET pin) - allows optimization of sense resistor value for minimal conduction loss and thermal rise. |
| IMON Output Scaling | 20× ΔVSNS, 0–1.5V range - provides ground-referenced analog current feedback for system-level monitoring and diagnostics. |
| Charge Pump Output | Regulated 12V BST–TS - sustains full gate enhancement for 100% duty cycle operation independent of input voltage. |
| Shutdown Current | 1µA - minimizes standby power draw in always-on industrial control nodes. |
Pinout & Package
Package: 16-lead plastic MSOP (MSE16) with exposed thermal pad (Pin 17 = GND), rated for –40°C to +125°C junction temperature. High-voltage creepage spacing optimized for 135V operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RUN (Pin 1) | Enable/UVLO Control Input | Enables internal LDO and logic when >1.21V; shuts down to 1µA when <0.7V - allows precise input supply undervoltage lockout via resistive divider. |
| VIN (Pin 2) | Main High-Voltage Supply Input | Accepts 3.5V–135V; powers internal LDO and charge pump - requires ≥0.1µF bypass to GND for stability. |
| VCC (Pin 3) | Internal LDO Output / Gate Driver Supply | 10V regulated output (or follows VIN in dropout); powers drivers and logic - must be decoupled with ≥1µF ceramic capacitor. |
| VCCUV (Pin 4) | VCC Undervoltage Lockout Reference | Sets gate drive UVLO threshold (3.5V–7.0V) by scaling 0.4–1.5V input ×7 - short to GND for minimum 3.5V UVLO. |
| FAULT (Pin 5) | Open-Drain Fault Flag Output | Pulls low when TIMER reaches 1.3V - signals imminent TGDN-to-TS turn-off; typical 200Ω pull-down impedance. |
| TIMER (Pin 6) | Fault Timing Capacitor Node | Connects to GND via CT to set fault warning, shutdown, and auto-retry timing - pulled >3.5V disables timer and forces immediate fault response. |
| INP (Pin 7) | CMOS-Compatible Control Input | GND-referenced digital input controlling TGUP/TGDN state; includes 1MΩ internal pull-down for safe startup. |
| OVLO (Pin 8) | Input Overvoltage Lockout Input | Triggers immediate TGDN-to-TS shutdown if input exceeds programmed threshold - tied to GND when unused. |
| ISET (Pin 9) | Current Trip Threshold Programming | Sets ΔVTH = VISET/20 (20–75mV); open = 30mV default - enables low-loss sensing with sub-mΩ shunts. |
| IMON (Pin 10) | Analog Current Monitor Output | Ground-referenced 20× ΔVSNS (0–1.5V) - provides real-time load current telemetry without isolated amplifiers. |
| TGDN (Pin 11) | High-Current Gate Pull-Down Output | Directly drives MOSFET gate to TS (high-side source) - lowest-impedance path for fast turn-off; connects to MOSFET gate. |
| TGUP (Pin 12) | High-Current Gate Pull-Up Output | Drives MOSFET gate to BST (bootstrapped supply) - supports slew rate control via series resistor; ties to TGDN for max speed. |
| TS (Pin 13) | High-Side Source Reference | Return node for high-side configuration; may be connected to load return or GND in low-side configurations. |
| BST (Pin 14) | Bootstrapped Supply Rail | Swings from ~12V to (VIN + 12V); requires ≥0.1µF capacitor to TS - supplies gate drive voltage for 100% duty cycle. |
| SNS– (Pin 15) | Current Sense Negative Input | Kelvin-connected to shunt resistor low side via ≥100Ω resistor - rejects common-mode noise and improves accuracy. |
| SNS+ (Pin 16) | Current Sense Positive Input | Kelvin-connected to shunt resistor high side - forms differential pair with SNS– for precise ΔVSNS measurement. |
| GND (Pin 17, Exposed Pad) | Power and Thermal Ground | Exposed thermal pad must be soldered to PCB copper - provides primary thermal path (θJC = 10°C/W) and electrical GND reference. |
Key Features
| Feature | Design Value |
|---|---|
| 100% Duty Cycle Support | Integrated charge pump maintains BST–TS at 12V regardless of VIN, enabling continuous conduction without external bootstrap diode/capacitor complexity. |
| Programmable Overcurrent Protection | ISET pin adjusts current trip threshold from 20mV to 75mV, allowing optimization of sense resistor value for minimal power loss and thermal stress. |
| Integrated Current Monitoring | IMON pin delivers ground-referenced 20× scaled analog output (0–1.5V) - eliminates need for external current-sense amplifier in diagnostic and closed-loop systems. |
| Configurable Fault Timing & Auto-Retry | TIMER pin accepts external capacitor to define fault warning window, shutdown delay, and cooldown period - supports graceful recovery from transient overloads. |
| Robust High-Voltage Interface | 16-lead MSOP package with 0.157mm high-voltage pin spacing and exposed GND pad - certified for 135V operation and AEC-Q100 automotive qualification. |
Applications
| Industrial Power Distribution | Automotive Battery Disconnect |
|---|---|
|
Use Scenario: Remote-controlled main power switch in programmable logic controller (PLC) backplane, managing 48V/135V DC bus loads. IC Role / Device Role: High-side gate driver controlling external 100V N-MOSFET with integrated overcurrent detection and IMON telemetry. Use Value: Enables single-chip protection and monitoring of high-voltage loads without auxiliary isolation or signal conditioning circuitry. |
Use Scenario: Smart battery disconnect unit in 12V/48V mild-hybrid vehicle, isolating starter battery during engine stop-start cycles. IC Role / Device Role: Fast-turning high-side switch driver with RUN-controlled enable, OVLO, and thermal fault handling per AEC-Q100 requirements. Use Value: Provides automotive-grade reliability, programmable current limit, and fault flag signaling compatible with vehicle CAN diagnostics. |
| Electronic Circuit Breaker | High-Frequency Inverter Half-Bridge |
|
Use Scenario: Solid-state replacement for electromechanical breakers in data center PDUs, responding to overcurrent within microseconds. IC Role / Device Role: Precision current-sensing gate driver with adjustable trip threshold (ISET), fast 35ns propagation, and automatic retry on transient faults. Use Value: Eliminates mechanical wear and bounce; supports predictive maintenance via IMON-based current logging and trend analysis. |
Use Scenario: Upper-leg gate driver in 100kHz+ LLC resonant converter, driving high-side MOSFET with minimal dead-time penalty. IC Role / Device Role: High-speed, low-impedance gate driver with 2.2Ω/1Ω drive strength and charge-pump–enabled 100% duty cycle support. Use Value: Reduces switching losses and improves efficiency by enabling faster transitions and eliminating bootstrap diode forward drop. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-side N-MOSFET gate driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM5109BMM/NOPB | No integrated charge pump; requires external bootstrap diode/capacitor; no IMON or ISET; fixed 1.5A peak drive. | Lacks current monitoring and programmable overcurrent protection; suitable only for simpler static switches without telemetry. | Select when cost sensitivity outweighs need for diagnostics and 100% duty cycle - requires additional external components for bootstrap. |
| MAX17613ATP+ | Higher 150V abs max rating; integrated 3.3V LDO; no IMON; uses SPI interface for configuration instead of analog ISET. | Requires microcontroller interface; lacks analog current monitor output; offers digital fault logging but adds firmware dependency. | Choose for digitally managed systems needing programmable slew rate, fault history, and multi-rail sequencing - not drop-in compatible. |
Compared with LM5109BMM/NOPB and MAX17613ATP+, the LTC7000IMSE#WPBF uniquely combines analog-programmable overcurrent protection, ground-referenced IMON telemetry, and self-contained charge pump for true 100% duty cycle - making it optimal for industrial and automotive applications demanding both robustness and embedded diagnostics without added ICs or software overhead.
Availability
LTC7000IMSE#WPBF is available at Aetrix Electronics and suitable for industrial power distribution, automotive battery management, and electronic circuit breaker applications requiring stable component supply, AEC-Q100 compliance, and long-term lifecycle support.
Supply support for LTC7000IMSE#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, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving precision instrumentation, industrial automation, and automotive markets.
The LTC7000 family is designed specifically for high-voltage, high-reliability high-side N-MOSFET gate driving - emphasizing fast transient response, integrated fault management, and simplified layout in space-constrained industrial and automotive power systems.
FAQ
What is the maximum input voltage supported by the LTC7000IMSE#WPBF?
The LTC7000IMSE#WPBF supports an absolute maximum input voltage (VIN) of 150V, with a specified operating range from 3.5V to 135V. This makes the LTC7000IMSE#WPBF suitable for industrial 48V, 72V, and 110V DC systems, as well as automotive 48V mild-hybrid architectures where transient spikes must be tolerated without latch-up or damage.
Does the LTC7000IMSE#WPBF support 100% duty cycle operation?
Yes, the LTC7000IMSE#WPBF supports true 100% duty cycle operation via its integrated charge pump, which regulates the BST–TS voltage to 12V independent of VIN. This eliminates reliance on external bootstrap diodes and capacitors, enabling continuous conduction of the external high-side N-MOSFET - a critical capability for static switch and battery disconnect applications where gate drive must remain active indefinitely.
How is overcurrent protection configured on the LTC7000IMSE#WPBF?
Overcurrent protection on the LTC7000IMSE#WPBF 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. When the voltage across the external sense resistor (ΔVSNS) exceeds this threshold, the internal comparator triggers a fault sequence timed by the external TIMER capacitor - ensuring precise, loss-optimized protection without external comparators or timers.
What is the purpose of the IMON pin on the LTC7000IMSE#WPBF?
The IMON pin on the LTC7000IMSE#WPBF provides a ground-referenced analog output voltage equal to 20× the voltage across the external sense resistor (ΔVSNS), ranging from 0V to 1.5V. This enables direct connection to ADC inputs for real-time load current monitoring, fault diagnostics, and closed-loop control - eliminating the need for isolated amplifiers or additional signal conditioning circuitry in the LTC7000IMSE#WPBF design.
Is the LTC7000IMSE#WPBF qualified for automotive applications?
Yes, the LTC7000IMSE#WPBF is an automotive-grade part, indicated by the "#WPBF" suffix, meaning it is manufactured under controlled processes meeting AEC-Q100 requirements for reliability and quality in automotive environments. It operates over –40°C to +125°C junction temperature and includes features such as OVLO, RUN-controlled enable, and thermal shutdown - all validated for automotive battery disconnect and power distribution use cases.
LTC7000IMSE#WPBF 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:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-MSOP-EP
LTC7000IMSE#WPBF FAQ
1.How can I place an order for LTC7000IMSE#WPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC7000IMSE#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#WPBF reliable?
The price and inventory of LTC7000IMSE#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#WPBF is usually 5 days.
3.What payment methods are accepted for LTC7000IMSE#WPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC7000IMSE#WPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC7000IMSE#WPBF?
LTC7000IMSE#WPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC7000IMSE#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#WPBF?
For technical support, including LTC7000IMSE#WPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC7000IMSE#WPBF requirements.
6.How does Aetrix verify that LTC7000IMSE#WPBF is sourced from the original manufacturer or authorized distributors?
All LTC7000IMSE#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#WPBF meets industry standards.
7.What is the process for return or replacement of LTC7000IMSE#WPBF?
All LTC7000IMSE#WPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC7000IMSE#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#WPBF part is unused and in its original packaging.
Return procedure for LTC7000IMSE#WPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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