Texas Instruments UCC3957M-2

Mfr.Part #:

UCC3957M-2

Manufacturer:

Description:
IC L-I PROTECTOR CIRCUIT 16SSOP

RoHS Status:

RoHS

Datasheet:

Payment:

Payment

Delivery:

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Specifications

Product Details

Product Comparison

Mount
Surface Mount
Mounting Type

Mounting Type refers to the method by which an electronic component is attached to a printed circuit board (PCB) or other surface. Common mounting types include: * Through-hole: Component leads are inserted into holes in the PCB and soldered on the other side. * Surface-mount: Component is placed on the surface of the PCB and soldered in place. * Press-fit: Component is pressed into place on the PCB without soldering. * Socket: Component is inserted into a socket on the PCB, allowing for easy replacement. The mounting type is determined by factors such as the component's size, shape, and power requirements.

Surface Mount
Package / Case

Package / Case refers to the physical housing or enclosure that encapsulates an electronic component. It provides protection, facilitates handling, and enables electrical connections. The package type determines the component's size, shape, pin configuration, and mounting options. Common package types include DIP (dual in-line package), SOIC (small outline integrated circuit), and BGA (ball grid array). The package also influences the component's thermal and electrical performance.

16-SSOP (0.154, 3.90mm Width)
Number of Pins

Number of Pins: Indicates the number of electrical connections available on the component. These pins are used to connect the component to other components or circuits on a printed circuit board (PCB). The number of pins determines the functionality and connectivity options of the component. It is important to ensure that the component has the correct number of pins for the intended application.

16
Operating Temperature

Operating Temperature is the range of temperatures at which an electronic component can function properly. It is typically specified in degrees Celsius (°C) and indicates the minimum and maximum temperatures at which the component can operate without experiencing damage or degradation. Operating Temperature is an important parameter to consider when designing electronic circuits, as it ensures that the components will function reliably in the intended operating environment.

-20°C~70°C TA
Packaging
Tube
Pbfree Code
no
Part Status

Part Status is an electronic component parameter that indicates the availability and production status of a component. It is typically used to inform customers about the availability of a component, whether it is in production, end-of-life, or obsolete. Part Status can also provide information about any restrictions or limitations on the component's use, such as whether it is only available for certain applications or if it has been discontinued.

Obsolete
Moisture Sensitivity Level (MSL)

Moisture Sensitivity Level (MSL) is a measure of the susceptibility of a surface mount electronic component to moisture-induced damage during soldering. It is classified into six levels, from 1 (least sensitive) to 6 (most sensitive). MSL is determined by the materials used in the component's construction, including the solderability of its terminals and the presence of moisture-absorbing materials. Components with higher MSL ratings require more stringent handling and storage conditions to prevent moisture absorption and subsequent damage during soldering.

2 (1 Year)
Number of Terminations
16
ECCN Code
EAR99
Additional Feature
SELECTABLE THREE OR FOUR CELL OPERATION, OVERCURRENT PROTECTION
HTS Code
8542.39.00.01
Subcategory
Power Management Circuits
Technology

Technology, in the context of electronic components, refers to the specific manufacturing process and materials used to create the component. It encompasses the semiconductor fabrication techniques, such as the type of transistor used (e.g., MOSFET, BJT), the gate oxide thickness, and the interconnect materials. Technology also includes the packaging type, such as surface mount or through-hole, and the leadframe or substrate material. The technology used impacts the component's performance characteristics, such as speed, power consumption, and reliability.

BICMOS
Terminal Position
DUAL
Terminal Form
GULL WING
Supply Voltage

Supply Voltage is the voltage required to power an electronic component. It is typically measured in volts (V) and is specified in the component's datasheet. The supply voltage must be within the specified range for the component to function properly. If the supply voltage is too low, the component may not function at all. If the supply voltage is too high, the component may be damaged.

16V
Terminal Pitch
0.635mm
Base Part Number
UCC3957
Function

Function refers to the primary purpose or role of an electronic component within a circuit. It describes the specific task or operation that the component is designed to perform. For example, a resistor's function is to limit current flow, a capacitor's function is to store electrical energy, and a transistor's function is to amplify or switch signals. Understanding the function of a component is crucial for selecting the appropriate component for a particular application and ensuring its proper operation within the circuit.

Battery Protection
Output Voltage

Output Voltage is the voltage level produced by an electronic component when it is operating. It is typically measured in volts (V) and can be either positive or negative. The output voltage of a component is determined by its design and the input voltage applied to it. For example, a voltage regulator will produce a fixed output voltage regardless of the input voltage, while an amplifier will produce an output voltage that is proportional to the input voltage.

4.25V
Number of Channels

Number of Channels refers to the number of independent signal paths within an electronic component. It indicates how many separate signals can be processed or transmitted simultaneously. For example, an audio amplifier with two channels can amplify two separate audio signals, while a multi-channel data converter can convert multiple analog signals into digital data. The number of channels is a crucial parameter for determining the component's functionality and application.

4
Max Supply Voltage
20V
Min Supply Voltage
5V
Analog IC - Other Type
POWER SUPPLY SUPPORT CIRCUIT
Adjustable Threshold
NO
Supply Current-Max (Isup)
0.04mA
Fault Protection

Fault Protection is an electronic component parameter that indicates the component's ability to withstand and protect against electrical faults or abnormal conditions. It specifies the maximum fault current or voltage that the component can safely handle without sustaining damage or compromising its functionality. This parameter is crucial for ensuring the reliability and safety of electronic systems by preventing catastrophic failures and protecting sensitive components from damage.

Over Current, Over/Under Voltage
Battery Chemistry
Lithium-Ion
Number of Cells
3 ~ 4
Height Seated (Max)
1.75mm
Length

Length, in the context of electronic components, refers to the physical dimension of a component along its longest axis. It is typically measured in millimeters (mm) or inches (in). Length is a crucial parameter for determining the physical size and space requirements of a component on a printed circuit board (PCB) or other assembly. It also affects the component's electrical characteristics, such as inductance and capacitance, which can be influenced by the length of conductors or traces within the component.

4.9mm
Width
3.9mm
Radiation Hardening
No
RoHS Status
ROHS3 Compliant
Lead Free
Contains Lead
Description
BICMOS three- or four-cell lithium-ion battery pack protector
Operates with external P-channel MOSFETs
Protects cells from overcharge and overdischarge
Two-tiered overcurrent protection
30-μA typical supply current consumption
3.5-A typical supply current in sleep mode
Smart discharge minimizes losses in overcharge mode
6.5-V to 20-V VDD supply range
Highly accurate internal voltage reference
Externally adjustable delays in overcurrent controller
Detection of loss-of-cell sense connections

Features
Three- or four-cell operation
Two-tier overcurrent limiting
30-μA typical supply current consumption
3.5-A typical supply current in sleep mode
Smart discharge minimizes losses in overcharge mode
6.5-V to 20-V VDD supply range
Highly accurate internal voltage reference
Externally adjustable delays in overcurrent controller
Detection of loss-of-cell sense connections

Applications
Lithium-ion battery pack protection
Overcharge and overdischarge protection
Overcurrent protection
Cell balancing
No Product Comparison

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