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Analog Devices Inc. LTC4416IMS-1#PBF
- Part No.:
- LTC4416IMS-1#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- OR Controllers, Ideal Diodes
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC4416IMS-1#PBF.pdf
- Description:
- IC OR CTRLR SRC SELECT 10MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:938
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Product details
Overview
LTC4416IMS-1#PBF from Analog Devices (formerly Linear Technology) is a dual PowerPath controller IC that manages two external P-channel MOSFETs to implement near-ideal diode OR-ing for seamless switchover between primary and backup DC power sources. It operates from 3.6V to 36V, delivers ≤25mV forward regulation voltage, supports –40°C to 125°C ambient, and features fast-off switching with 6µs enable delay for overvoltage/undervoltage protection in battery-backed industrial systems.
For engineers reviewing the LTC4416IMS-1#PBF datasheet, LTC4416IMS-1#PBF pinout, LTC4416IMS-1#PBF application, or LTC4416IMS-1#PBF equivalent, key selection criteria include its dual-channel fast-off behavior, 35µA per-channel quiescent current, MSOP-10 package compatibility, and precise 1.215V enable threshold with hysteresis support via open-drain H1/H2 outputs.
Technical Context
The LTC4416IMS-1#PBF integrates two independent analog controllers with dedicated band-gap reference and internal rail generation (RAIL1, RAIL2, RAILBG), each powered from the highest of V1/VS or V2/VS respectively. Its gate drivers deliver up to 500µA sink current during fast-on and –500µA source current during fast-off, with clamped G1/G2 output voltages (7.4–9.1V) protecting large-QG PFETs.
Unlike the LTC4416, the -1 variant disables soft-off: E1/E2 inactive states force immediate IG(OFF) on respective gates regardless of VVn–VVS, enabling rapid channel isolation for OV/UV shutdown. H1/H2 open-drain outputs provide comparator status for external hysteresis networks without loading the enable inputs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Voltage Range | 3.6V to 36V - supports 1–8 Li-ion cells and wide-input industrial supplies without external regulators |
| Forward Regulation Voltage (VFR) | 10mV to 40mV typical - enables ultra-low-loss power OR-ing with <25mV drop at full load |
| Quiescent Current | 35µA per channel - ensures minimal battery drain in always-on backup systems |
| Enable Threshold (VREF) | 1.215V ±15mV - precision comparator reference for accurate UV/OV trip points |
| Fast-Off Delay (tE(OFF)) | 6µs - guarantees rapid gate turn-off for transient-sensitive loads |
| Gate Clamp Voltage (VG(ON)) | 7.4V to 9.1V - protects PFET gate oxide when driving large QG devices |
| Operating Temperature | –40°C to 125°C - qualified for under-hood automotive and industrial control environments |
Pinout & Package
Package: 10-lead MSOP (3mm × 3mm, 0.5mm pitch), exposed pad for thermal performance, θJA = 120°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| H1 | Open-drain comparator output for E1 | Indicates E1 > VREF; used to configure external hysteresis resistors without loading E1 input |
| E1 | Channel 1 enable input | Active-high enable: >1.215V enables V1 path; low forces fast-off on G1 |
| GND | Power and signal ground reference | Common return for all internal circuits and external PFET sources |
| E2 | Channel 2 enable input | Active-low enable: <1.215V enables V2 path; high forces fast-off on G2 |
| H2 | Open-drain comparator output for E2 | Indicates E2 > VREF; provides feedback for hysteresis network on V2 path |
| G2 | Channel 2 PFET gate driver | Drives external P-MOSFET gate; clamped 7.4–9.1V output prevents overvoltage stress |
| V2 | Backup supply voltage input | Senses backup source; powers Channel 2 controller and band-gap reference |
| VS | Power sense / output rail input | Common sense point for both channels; supplies internal rails and connects to load |
| V1 | Primary supply voltage input | Senses primary source; powers Channel 1 controller and contributes to RAILBG |
| G1 | Channel 1 PFET gate driver | Drives external P-MOSFET gate; identical clamping and drive specs as G2 |
Key Features
| Feature | Design Value |
|---|---|
| Fast-off switching | 6µs enable delay ensures sub-10µs isolation of failed supply-critical for OV/UV shutdown in medical and avionics systems |
| Dual independent controllers | RAIL1 and RAIL2 powered separately from V1/VS and V2/VS enable robust operation even if one supply fails |
| Open-drain H1/H2 outputs | Allow user-defined hysteresis without affecting enable threshold accuracy or adding leakage paths |
| Reverse battery protection | Internal architecture blocks reverse current flow when VVS > VV1 or VVS > VV2, eliminating need for external blocking diodes |
| Large-QG PFET drive capability | 500µA sink / –500µA source current supports gate capacitances up to 17nF with <60µs turn-on time |
Applications
| Uninterruptible Power Supply (UPS) | Battery Backup System |
|---|---|
Use Scenario: Maintains continuous 12V load power during AC mains failure using Li-ion battery as backup. IC Role / Device Role / Timing Role: LTC4416IMS-1#PBF acts as dual-path ideal diode controller, automatically switching from wall adapter to battery within microseconds while suppressing Vdroop. Use Value: Eliminates 0.3–0.7V Schottky diode drop, extending runtime by >15% and reducing thermal stress on PCB. | Use Scenario: Powers critical MCU and SRAM in industrial PLC during brownout events lasting seconds to minutes. IC Role / Device Role / Timing Role: LTC4416IMS-1#PBF monitors V1 (main rail) and V2 (backup battery), enforcing fast-off when V1 drops below 5V to prevent backfeed into failing supply. Use Value: 6µs enable delay ensures clean break-before-make transition, avoiding bus contention or latch-up in multi-rail systems. |
| Automotive Emergency Systems | Industrial Control Panel |
Use Scenario: Supplies ADAS camera module from vehicle battery (V2) when ignition power (V1) is lost during engine cranking. IC Role / Device Role / Timing Role: LTC4416IMS-1#PBF serves as fault-tolerant power selector, using E1/E2 to prioritize V1 but guaranteeing <10µs handover to V2 upon V1 collapse. Use Value: –40°C to 125°C rating and 35µA quiescent current meet automotive cold-cranking and long-term parking requirements. | Use Scenario: Provides redundant 24V power to I/O modules in factory automation cabinet with dual PSUs. IC Role / Device Role / Timing Role: LTC4416IMS-1#PBF implements load sharing between two 24V supplies, balancing current and isolating faults via coordinated E1/E2 control. Use Value: Dual-channel independence allows one path to remain active during maintenance of the other, maximizing system uptime. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual PowerPath controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LTC4412EMS#PBF | Single-channel controller; no E2/H2 pins; lacks fast-off timing control; 20µA IQ | Only suitable for single-source backup-not for dual-source OR-ing or load sharing | Select only when system requires one backup path and space/power budget is tighter |
| TPS2113APWR | Fixed 5.5V max input; no programmable enable threshold; 120µA IQ; no gate clamp | Restricted to 5V systems; cannot drive large-QG PFETs safely; no OV/UV hysteresis support | Choose only for low-voltage consumer electronics where cost is primary constraint |
Compared with LTC4416IMS-1#PBF, LTC4412EMS#PBF reduces integration but sacrifices dual-path coordination and fast-off safety; TPS2113APWR offers lower cost but lacks the 36V range, precision enable threshold, and PFET gate protection needed for industrial battery backup.
Availability
LTC4416IMS-1#PBF is available at Aetrix Electronics and suitable for uninterruptible power supplies, battery backup systems, and automotive emergency systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LTC4416IMS-1#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 acquired Linear Technology in 2017 and maintains full product support, documentation, and manufacturing continuity for the LTC portfolio.
The LTC4416IMS-1#PBF belongs to Linear's PowerPath controller family, designed specifically for high-reliability DC switchover in battery-critical applications where low loss, fast fault response, and wide input voltage range are mandatory.
FAQ
What is the key functional difference between LTC4416IMS-1#PBF and the standard LTC4416IMS#PBF?
The LTC4416IMS-1#PBF replaces the "soft-off" switchover of the base LTC4416IMS#PBF with deterministic fast-off behavior: when E1 or E2 is disabled, the corresponding G1 or G2 gate is actively pulled high within 6µs, ensuring immediate PFET turn-off. This eliminates voltage undershoot during source transitions and is essential for overvoltage/undervoltage protection circuits where rapid isolation is required. The LTC4416IMS#PBF uses slower, analog-controlled soft-off that depends on VVn–VVS crossing thresholds.
Can LTC4416IMS-1#PBF drive high-gate-charge MOSFETs like the SUP75P03-07?
Yes, LTC4416IMS-1#PBF is explicitly designed for large-QG PFETs. Its gate drivers deliver up to 500µA sink current and –500µA source current, with a clamped 7.4–9.1V output voltage that safely drives the SUP75P03-07 (QG = 120nC). At 17nF gate capacitance, turn-on time is ≤60µs-verified in the datasheet-and the internal clamp prevents gate oxide damage during fast transients, making it suitable for high-current industrial OR-ing.
How does the H1 and H2 open-drain functionality support hysteresis in UV/OV protection?
H1 and H2 are open-drain comparators tied to E1 and E2 inputs, respectively. When E1 exceeds VREF (1.215V), H1 goes high-impedance; otherwise, it sinks to GND. By connecting external resistors between H1 and E1 (or H2 and E2), users create positive feedback that shifts the effective threshold-e.g., raising restore voltage above fail voltage. This avoids oscillation during slow input ramps and enables precise, customer-defined hysteresis without loading the sensitive enable inputs or requiring additional op-amps.
What is the minimum operating voltage for LTC4416IMS-1#PBF, and how does it behave below spec?
The absolute minimum operating voltage for LTC4416IMS-1#PBF is 3.6V across V1, V2, or VS-per Absolute Maximum Ratings and Electrical Characteristics tables. Below 3.6V, internal band-gap reference and analog controllers cease stable operation: VREF drifts, gate drive collapses, and E1/E2 comparators produce undefined outputs. The device may partially function down to ~3.0V in some conditions, but Analog Devices specifies no guaranteed behavior, and reverse battery protection or fast-off timing cannot be assured. Always maintain ≥3.6V for reliable operation.
Does LTC4416IMS-1#PBF require external components for basic operation, and what are the minimum required?
Yes, LTC4416IMS-1#PBF requires external P-channel MOSFETs on G1 and G2, plus input/output bypass capacitors. Minimum required components: two 0.1µF ceramic capacitors (one each on V1 and V2 to GND), one 1µF capacitor on VS to GND, and gate resistors (optional but recommended for EMI control). No external resistors are needed for basic switchover-E1 and E2 can be hard-wired to enable logic-but hysteresis networks require external resistors tied to H1/H2. The MSOP-10 layout must include thermal pad soldering for rated performance.
LTC4416IMS-1#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- PowerPath™
- Package/Case:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Type:
- Source Selector Switch
- FET Type:
- P-Channel
- Ratio - Input:Output:
- 2:2
- Internal Switch(s):
- No
- Delay Time - ON:
- 60 µs
- Delay Time - OFF:
- 30 µs
- Current - Output (Max):
- -
- Current - Supply:
- 130 µA
- Voltage - Supply:
- 3.6V ~ 36V
- Applications:
- Battery Backup, Industrial/Automotive, High Current Switch
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-MSOP
LTC4416IMS-1#PBF FAQ
1.How can I place an order for LTC4416IMS-1#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC4416IMS-1#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 LTC4416IMS-1#PBF reliable?
The price and inventory of LTC4416IMS-1#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC4416IMS-1#PBF is usually 5 days.
3.What payment methods are accepted for LTC4416IMS-1#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC4416IMS-1#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC4416IMS-1#PBF?
LTC4416IMS-1#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC4416IMS-1#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 LTC4416IMS-1#PBF?
For technical support, including LTC4416IMS-1#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC4416IMS-1#PBF requirements.
6.How does Aetrix verify that LTC4416IMS-1#PBF is sourced from the original manufacturer or authorized distributors?
All LTC4416IMS-1#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 LTC4416IMS-1#PBF meets industry standards.
7.What is the process for return or replacement of LTC4416IMS-1#PBF?
All LTC4416IMS-1#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC4416IMS-1#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 LTC4416IMS-1#PBF part is unused and in its original packaging.
Return procedure for LTC4416IMS-1#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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