Si3865DDV

Name: Si3865DDV
Brand: Vishay
Rating: 4.5 (10 reviews)
Author: Lisleapex

The SI3865DDV is a power management chip designed for efficient voltage regulation in electronic devices

7,801 Effective Inventory

Si3865DDV

Effective Inventory7,801

The SI3865DDV is a power management chip designed for efficient voltage regulation in electronic devices

Manufacturer Part # : Si3865DDV
Package/Case: TSOP6
Brand: Vishay
Product Categories : Analog Switches, Multiplexers, Demultiplexers

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Si3865DDV DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

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SI3865DDV Description

The SI3865DDV is a high-performance power management IC from Texas Instruments, designed for reliable power distribution in various applications. This device features low on-resistance, fast switching speed, and high peak pulse current capability, making it ideal for industrial automation systems.

Pin Details

The SI3865DDV is a 6-pin SOT23 package with the following pins:

VIN: Input voltage pin
VOUT: Output voltage pin
GND: Ground pin
EN: Enable pin
D: Driver output pin
S: Sense pin

Features

Low On-Resistance: 2.45 Ω (typical)
Fast Switching Speed: 16 ns (typical)
High Peak Pulse Current Capability: 61 A
ESD Protection: >2000 V (Human Body Model)

Applications

The SI3865DDV is suitable for various industrial automation systems, including power management, motor control, and battery charging circuits.

Where to Use:

Industrial automation systems
Motor control applications
Battery charging circuits
Solar power systems
DC-DC converters
Automotive electronics
Building automation systems

Manufacturer

The SI3865DDV is manufactured by Texas Instruments (TI), a global leader in semiconductor technology.

Packages

The SI3865DDV comes in a 6-pin SOT23 package, making it suitable for surface-mount technology applications.

Equivalent Parts of SI3865DDV

TIPD340: A comparable power management IC from Texas Instruments with similar features and performance.
LTC3788: An alternative power management IC from Linear Technology that offers equivalent functionality.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Part Life Cycle Code	Active	HTS Code !	8542.39.00.01
Adjustable Threshold	NO	Analog IC - Other Type	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 Code	R-PDSO-G6	Length	3.05 mm
Number of Channels	1	Number of Functions	1
Number of Terminals	6	Operating Temperature-Max	150 °C
Operating Temperature-Min	-55 °C	Package Body Material	PLASTIC/EPOXY
Package Code	TSOP	Package Equivalence Code	TSOP6,.11,37
Package Shape	RECTANGULAR	Package Style	SMALL OUTLINE, THIN PROFILE
Seated Height-Max	1.1 mm	Supply Voltage-Max (Vsup)	12 V
Supply Voltage-Min (Vsup)	1.5 V	Supply Voltage-Nom (Vsup)	1.8 V
Surface Mount !	YES	Terminal Form !	GULL WING
Terminal Pitch !	0.95 mm	Terminal Position	DUAL
Width	1.65 mm

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification Si3865DDV PDF Download

FAQs

What is Si3865DDV?

The Si3865DDV is a P-channel enhancement mode field-effect transistor (FET) designed by Vishay Siliconix. It is commonly used for power management applications where high efficiency and low power consumption are essential.

How Does Si3865DDV Work?

The Si3865DDV operates as a switch in electronic circuits, controlling the flow of current based on the voltage applied to its gate terminal. As a P-channel FET, it conducts current when a negative voltage is applied to the gate, making it suitable for use in low-side switch configurations.

How Many Pins does Si3865DDV have and What are the Functions of the Pinout Configuration?

The Si3865DDV is housed in a 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

GATE: Gate pin for controlling the FET.
SOURCE: Source pin for the FET to connect to ground.
DRAIN: Drain pin for the FET to connect to the load.
BODY: Body diode connection for certain applications.
NC (Not Connected): Pin that is not internally connected and can be left unconnected.

What are the Pros and Cons of Si3865DDV?

Pros:

Low On-Resistance: Offers low resistance when conducting, leading to lower power dissipation.
Enhancement Mode: Can be easily driven by negative gate voltage, simplifying circuit design.
High Efficiency: Provides efficient power management in various applications.
Compact Package: The 8-pin SOIC package is space-efficient for board designs.

Cons:

Negative Gate Voltage: Requires a negative voltage drive which may not be compatible with all systems.
Heat Dissipation: May require heatsinking in high-power applications to manage thermal issues.

Are There Any Equivalents/Alternatives to Si3865DDV for Recommendation?

The Si4966DY from Vishay Siliconix is a similar P-channel FET with comparable specifications.
Alternatives to the Si3865DDV include the NDP6020P from ON Semiconductor and the FDS4435A from Fairchild Semiconductor.