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Analog Devices Inc. LTC4413EDD-1#PBF
- Part No.:
- LTC4413EDD-1#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- OR Controllers, Ideal Diodes
- Package:
- 10-WFDFN Exposed Pad
- Datasheet:
-
LTC4413EDD-1#PBF.pdf
- Description:
- IC OR CTRLR SRC SELECT 10DFN
- Quantity:
- Payment:
- Shipping:
Inventory:9,319
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Product details
Overview
LTC4413EDD-1#PBF from Analog Devices is a dual-channel ideal diode controller IC designed for power-path OR'ing and automatic switchover in 2.5V–5.5V systems. It integrates two independent 100mΩ P-channel MOSFET drivers, delivers ≤18mV regulated forward voltage drop at light load, supports up to 2.6A per channel, and operates in a thermally enhanced 10-lead 3mm × 3mm DFN package. It enables battery-to-wall-adapter switchover in handheld power systems.
For engineers reviewing the LTC4413EDD-1#PBF datasheet, LTC4413EDD-1#PBF pinout, LTC4413EDD-1#PBF application, or LTC4413EDD-1#PBF equivalent, key selection criteria include forward voltage regulation accuracy (18mV typ), reverse leakage (<1µA), ENB input threshold hysteresis (90mV), thermal shutdown behavior (150°C trip), and status output sink capability (11µA).
Technical Context
The LTC4413EDD-1#PBF implements two independent gate-controlled ideal diode channels using internal amplifiers that regulate VGATE to maintain a fixed 18mV forward voltage drop (VFWD) until current exceeds 1A, after which on-resistance (RFWD = 100–140mΩ) dominates. Each channel features undervoltage lockout (UVLO turn-on at 2.45V), reverse turn-off detection (VRTO ≤ –5mV), and active-high enable inputs (ENBA/ENBB) with 540–600mV rising threshold.
It provides open-drain STAT output sinking 11µA when its selected channel is reverse-biased or both channels are disabled; quiescent current remains below 80µA at 1A forward load. Unlike the LTC4413-2 variant, it lacks OVI/OVP pins and overvoltage protection circuitry - confirmed by pin configuration (no Pins 7–8) and functional description.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Voltage Range | 2.5V to 5.5V - ensures compatibility with Li-ion, USB, and 3.3V/5V rail systems without external level-shifting. |
| Max Forward Current per Channel | 2.6A - supports high-current portable loads such as displays or baseband processors without external FETs. |
| Regulated Forward Voltage | 18mV (typ) - reduces conduction loss by >90% vs. Schottky diodes (e.g., 1N5817), critical for efficiency in battery-powered devices. |
| Reverse Leakage Current | <1µA - prevents backfeed between dual supplies, enabling true load sharing and backup battery isolation. |
| ENB Input Threshold Hysteresis | 90mV - ensures noise-immune enable/disable transitions in noisy industrial or automotive power environments. |
| Thermal Shutdown Trip | 150°C - protects against sustained overload or poor PCB thermal design while allowing brief peak-current operation. |
| Quiescent Current (IQF) | 40–58µA at 100mA - enables always-on power-path control in low-power IoT endpoints without significant battery drain. |
Pinout & Package
Package: 10-lead 3mm × 3mm plastic DFN (DD), 0.75mm profile, exposed SGND pad (Pin 11) requiring solder connection to PCB ground for thermal and electrical integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| INA (Pin 1) | Primary anode input / VDD supply source | Accepts 2.5–5.5V input; powers IC internally; requires ≥1µF ceramic bypass capacitor. |
| ENBA (Pin 2) | Active-high enable for Channel A | Pull high (>600mV) to disable Diode A; internal 3.5µA pull-down allows floating use. |
| GND (Pin 3) | Power ground reference | Common return path for all internal circuits and gate drive; must connect to low-impedance system ground. |
| ENBB (Pin 4) | Active-high enable for Channel B | Independent control of Diode B; identical electrical behavior to ENBA. |
| INB (Pin 5) | Secondary anode input | Second independent power source input; same voltage and bypass requirements as INA. |
| OUTB (Pin 6) | Channel B cathode output | Delivers regulated output to load; requires ≥4.7µF high-ESR ceramic capacitor for stability. |
| STAT (Pin 9) | Status indicator output | Open-drain output sinking 11µA when selected channel is reverse-biased or both channels disabled. |
| OUTA (Pin 10) | Channel A cathode output | Main regulated output node; connects to system load; same capacitor requirement as OUTB. |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent ideal diode control | Enables seamless OR'ing of two power sources (e.g., battery + adapter) with no cross-conduction or shoot-through risk. |
| 18mV regulated forward voltage | Minimizes voltage drop and power loss across full load range up to 1A, improving battery runtime by >15% vs. discrete solutions. |
| Programmable channel enable/disable | ENBA/ENBB pins allow microcontroller-based sequencing, fault recovery, or dynamic power-source prioritization. |
| Integrated thermal and current limiting | 150°C thermal shutdown and 2.6A constant-current limit prevent damage during short-circuit or overload events. |
| Status output with defined sink current | 11µA STAT sink enables direct interface to MCU GPIOs or optocouplers without external pull-up resistors. |
Applications
| Battery-to-Wall Adapter Switchover | USB Peripheral Power Management |
|---|---|
|
Use Scenario: Handheld medical device powered by Li-ion battery; automatically switches to wall adapter when plugged in, preserving battery charge. IC Role / Device Role / Timing Role: Dual-channel ideal diode controller performing real-time voltage comparison and seamless power-path handover without interruption. Use Value: Eliminates 300–500mV Schottky drop, extending runtime by ~12% during battery-only operation and enabling zero-downtime switchover. |
Use Scenario: USB-C peripheral (e.g., docking station) accepting power from host PC or external 5V adapter, with priority logic. IC Role / Device Role / Timing Role: OR'ing controller enforcing strict input priority (e.g., adapter > USB bus) via ENB pin control and STAT feedback. Use Value: Prevents backfeed into USB host port and ensures adapter supplies full load current, meeting USB PD compliance requirements. |
| Backup Battery Load Sharing | Industrial Uninterruptible Supply |
|
Use Scenario: Smart meter with primary alkaline battery and secondary supercapacitor backup, sharing load based on voltage differential. IC Role / Device Role / Timing Role: Passive load-sharing controller using forward-voltage regulation to proportionally distribute current between sources. Use Value: Extends total backup runtime by 3.2× vs. diode-OR'd solution due to near-zero forward drop and matched impedance behavior. |
Use Scenario: Programmable logic controller (PLC) requiring continuous operation during AC mains failure using auxiliary 24V battery. IC Role / Device Role / Timing Role: Fast-turnoff ideal diode (tOFF = 2µs) isolating failed main supply within microseconds to prevent brownout. Use Value: Achieves <10µs switchover latency - 50× faster than mechanical relays - ensuring deterministic real-time control continuity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ideal diode OR'ing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS2113APWR | Single-channel, 2.8–5.5V, 2A max, 45mV typical VFWD, no STAT output | Lacks dual-channel independence and status feedback; suitable only for single-source redundancy | Select when cost sensitivity outweighs need for dual-path control or diagnostics |
| LTC4412EMS#PBF | Single-channel, 2.5–36V, 3A max, 25mV VFWD, includes PGOOD output | Wider VIN range but higher VFWD; no ENB hysteresis or thermal foldback | Prefer for high-voltage industrial rails where 36V tolerance is required over low-drop performance |
Compared with TPS2113APWR and LTC4412EMS#PBF, the LTC4413EDD-1#PBF uniquely delivers dual independent channels with sub-20mV regulation, integrated STAT signaling, and coordinated thermal/current protection - essential for compact, battery-sensitive dual-input systems.
Availability
LTC4413EDD-1#PBF is available at Aetrix Electronics and suitable for battery-powered handhelds, USB-C peripherals, industrial PLCs, and uninterruptible power modules requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for LTC4413EDD-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 (including legacy Linear Technology portfolio) is a global leader in high-performance analog, mixed-signal, and power management semiconductors, serving precision instrumentation, communications, and industrial markets.
The LTC4413EDD-1#PBF belongs to the PowerPath™ family of ideal diode controllers, engineered specifically for ultra-low-loss power-path OR'ing, automatic switchover, and load-sharing in space-constrained portable and embedded systems.
FAQ
What is the maximum continuous current per channel for LTC4413EDD-1#PBF?
The LTC4413EDD-1#PBF supports up to 2.6A continuous forward current per channel under thermal limits. This rating assumes proper PCB copper area (≥2 cm² per side) and ambient temperature ≤85°C. At 2.6A, on-resistance (RON) reaches 140–200mΩ, increasing forward drop beyond the regulated 18mV region.
Does LTC4413EDD-1#PBF include overvoltage protection?
No. The LTC4413EDD-1#PBF does not include overvoltage protection circuitry. That feature is exclusive to the LTC4413-2 variant (e.g., LTC4413EDD-2#PBF), which adds OVI and OVP pins. The LTC4413EDD-1#PBF's absolute maximum input voltage remains 6V, and external clamping is required for overvoltage scenarios.
How does the STAT pin function on LTC4413EDD-1#PBF?
The STAT pin on LTC4413EDD-1#PBF is an open-drain output sinking 11µA when its selected channel is reverse-biased or both ENBA and ENBB are high (standby). It remains high-impedance (no sink) when either channel conducts forward current. This enables direct MCU GPIO monitoring without external pull-up resistors.
Can LTC4413EDD-1#PBF operate with 1.8V input supplies?
No. The LTC4413EDD-1#PBF requires minimum 2.5V on INA or INB to exit undervoltage lockout (UVLO turn-on threshold is 2.45V). Operation below 2.5V is unsupported; for 1.8V systems, consider the LTC4415 or discrete FET+controller solutions.
What is the thermal resistance θJA for LTC4413EDD-1#PBF in its DFN package?
The published junction-to-ambient thermal resistance (θJA) for LTC4413EDD-1#PBF in the 10-lead 3mm × 3mm DFN package is 43°C/W, measured with JEDEC-standard 2-layer board layout. Actual performance improves significantly with ≥4 cm² of 2-oz copper connected to the exposed SGND pad (Pin 11).
LTC4413EDD-1#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 10-WFDFN Exposed Pad
- Packaging:
- Tube
- Product Status:
- Active
- Type:
- Source Selector Switch
- FET Type:
- P-Channel
- Ratio - Input:Output:
- 2:1
- Internal Switch(s):
- Yes
- Delay Time - ON:
- 11 µs
- Delay Time - OFF:
- 2 µs
- Current - Output (Max):
- 2.6A
- Current - Supply:
- 40 µA
- Voltage - Supply:
- 2.5V ~ 5.5V
- Applications:
- Handheld/Mobile Devices
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-DFN (3x3)
LTC4413EDD-1#PBF FAQ
1.How can I place an order for LTC4413EDD-1#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC4413EDD-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 LTC4413EDD-1#PBF reliable?
The price and inventory of LTC4413EDD-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 LTC4413EDD-1#PBF is usually 5 days.
3.What payment methods are accepted for LTC4413EDD-1#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC4413EDD-1#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC4413EDD-1#PBF?
LTC4413EDD-1#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC4413EDD-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 LTC4413EDD-1#PBF?
For technical support, including LTC4413EDD-1#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC4413EDD-1#PBF requirements.
6.How does Aetrix verify that LTC4413EDD-1#PBF is sourced from the original manufacturer or authorized distributors?
All LTC4413EDD-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 LTC4413EDD-1#PBF meets industry standards.
7.What is the process for return or replacement of LTC4413EDD-1#PBF?
All LTC4413EDD-1#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC4413EDD-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 LTC4413EDD-1#PBF part is unused and in its original packaging.
Return procedure for LTC4413EDD-1#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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