Texas Instruments BQ20851DBT-V1P2

Mfr.Part #:

BQ20851DBT-V1P2

Manufacturer:

Description:
IC GAS GAUGE FOR BQ29311 38TSSOP

RoHS Status:

RoHS

Payment:

Payment

Delivery:

Delivery

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ISO 9001
ISO 9001
ISO 45001
ISO 45001
ISO 13485
ISO 13485
ISO 14001
ISO 14001
SMTA
ASA

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.

38-TFSOP (0.173, 4.40mm Width)
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~85°C TA
Packaging
Tube
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
38
ECCN Code
EAR99
HTS Code
8542.39.00.01
Subcategory
Power Management Circuits
Terminal Position
DUAL
Terminal Form
GULL WING
Peak Reflow Temperature (Cel)
NOT SPECIFIED
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.

3.3V
Terminal Pitch
0.5mm
Reflow Temperature-Max (s)
NOT SPECIFIED
Base Part Number
BQ20851
JESD-30 Code
R-PDSO-G38
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 Monitor
Qualification Status
Not Qualified
Supply Voltage-Max (Vsup)
3.6V
Power Supplies
3.3V
Supply Voltage-Min (Vsup)
3V
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.

2
Interface

In electronics, an interface refers to the connection point or boundary between two or more electronic systems or devices. It defines the physical, electrical, and logical characteristics that enable communication and data exchange between them. An interface specifies the protocols, pinouts, voltage levels, data formats, and other parameters necessary for the systems to interact seamlessly. It ensures compatibility and interoperability between different components or devices, allowing them to exchange information and perform their intended functions.

SMBus
Analog IC - Other Type
POWER SUPPLY SUPPORT CIRCUIT
Adjustable Threshold
YES
Battery Chemistry
Lithium Ion/Polymer
Height Seated (Max)
1.2mm
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.

9.7mm
Width
4.4mm
RoHS Status
ROHS3 Compliant
Lead Free
Lead Free
Description
SBS-compliant gas gauge IC for Li-ion and Li-polymer batteries
Maintains accurate record of available charge
Monitors battery pack parameters and reports to host controller
Works with bq29311 AFE protection IC for complete pack electronics
Extends system runtime by managing remaining battery power

Features
Accurate measurement of available charge
Supports SBS V1.1
Integrated time base eliminates external crystal
High-resolution 16-bit integrating converter for charge flow measurement
16-bit delta sigma converter for voltage and temperature measurements
Programmable cell modeling for maximum accuracy
Drives 3-, 4-, or 5-segment LED display for remaining capacity indication

Applications
Notebook PCs
No Product Comparison

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