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Part Name(s) : EV2014X TI
Texas Instruments
Description : GAS GAUGE AND FAST CHARGE EVALUATION BOARD View

Introduction
The EV2014x EVALUATION system provides a development AND EVALUATION environment for the bq2014 GAS GAUGE IC AND the bq2004 FAST CHARGE IC. The EV2014x incorporates a bq2014, a bq2004, AND all the external components required to accurately monitor the capacity AND reliably FAST CHARGE 4 to 10 NiCd or NiMH cells. The EVALUATION system includes a PC/AT interface to allow the monitoring of battery parameters. The BOARD features:

■ Jumper configuration for number of series cells AND
    battery chemistry
■ Complete FAST CHARGE control
■ Battery capacity monitoring - LED display of available CHARGE
   

Part Name(s) : EV2014 TI
Texas Instruments
Description : GAS GAUGE EVALUATION BOARD View

Introduction
The bq2014 GAS GAUGE IC provides battery capacity monitoring in a single 16-pin SOIC or DIP package. The EV2014 EVALUATION BOARD provides a useful means to test bq2014 functionality AND easily interface with the device over the RS-232 port of a PC. The bq2014 features:

■ Battery capacity monitoring functions
■ LED display of available CHARGE
■ DQ serial I/O port communications functions
   

Part Name(s) : BQ2164 BQ2164B BQ2164B-KT BQ2164B-XXX BQ2164MODULE BQ2164B- TI
Texas Instruments
Description : NiCd or NiMH GAS GAUGE Module with FAST-CHARGE Control View

General Description
The bq2164 GAS GAUGE Module provides a complete AND compact battery management solution for NiCd AND NiMH battery packs. Designed for battery pack integration, the bq2164 combines the bq2014 GAS GAUGE IC with the bq2004 FAST-CHARGE IC on a small printed circuit BOARD. The BOARD includes all the necessary components to accurately monitor the capacity AND reliably terminate FAST CHARGE of 5 to 10 series cells.

Features
➤ Complete bq2004/bq2014 battery management solution for NiCd or NiMH pack
➤ Accurate battery state-of-CHARGE monitoring
➤ Reliable FAST CHARGE termination
➤ Automatic full capacity calibration
➤ Battery information available over a single-wire bi-directional serial port
➤ Nominal capacity, cell chemistry, AND CHARGE control parameters pre-configured
➤ Compact size for battery pack integration

Part Name(s) : BQ2114 BQ2114B BQ2114B- BQ2114B-015 BQ2114B-KT BQ2114B-XXX BQ2114LB BQ2114LB-003 BQ2114LB-KT BQ2114LB-XXX BQ2114B-017 TI
Texas Instruments
Description : NiCd or NiMH GAS GAUGE Module with CHARGE-Control Output View

General Description
The bq2114 GAS GAUGE Module provides a complete AND compact solution for capacity monitoring of NiCd AND NiMH battery packs. Designed for battery pack integration, the bq2114 incorporates a bq2014 GAS GAUGE IC, a current sense resistor, AND all other components necessary to accurately monitor AND display the capacity of 4 to 12 series cells. The bq2114L includes five surface mounted LEDs to display remaining capacity in 20% increments of the learned capacity (relative mode). The LEDs are activated with the onBOARD push-button switch.

Features
► Complete bq2014 GAS GAUGE solution for NiCd or NiMH battery packs
CHARGE-control output allows communication to external CHARGE controller (bq2004)
► Battery information available over a single-wire bidirectional serial port
► Battery state-of-CHARGE monitoring for 4- to 12-cell series applications
► On-BOARD regulator allows direct connection to the battery
► “L” version includes push-button activated LEDs to display state-of-CHARGE information
► Nominal capacity AND cell chemistry pre-configured
► Compact size for battery pack integration


Part Name(s) : BQ28550R1 BQ28550 BQ28550-R1 BQ28550DRZR BQ28550DRZR-R1 BQ28550DRZT BQ28550DRZT-R1 TI
Texas Instruments
Description : Single Cell Li-Ion Battery GAS GAUGE AND Protection View

Description
The Texas Instruments bq28550-R1 battery GAS GAUGE provides current AND voltage protection, AND secure, SHA-1/HMAC authentication for single-cell Lithium-Ion battery packs. Designed for battery-pack integration, the bq28550-R1 requires host microcontroller firmware support for implementation. A system processor communicates with the bq28550- R1 using a serial interface to obtain remaining battery capacity, system run-time predictions, AND other critical battery information.
The bq28550-R1 GAS GAUGE uses an accurate GAS gauging algorithm to report the status of the cell. The GAUGE provides information such as state-of-CHARGE (%), run-time-to-empty (min.), CHARGE-time to full (min.), battery voltage (V), AND pack temperature (°C).
The bq28550-R1 GAS GAUGE also features integrated support for secure battery-pack authentication, using the SHA-1/HMAC authentication algorithm.

Features
• A Comprehensive Single-Cell Li-Ion Battery GAS
   GAUGE AND Protection Integrates All Essential
   Functions:
   – Low-Side N-CH FET Protection Control
   – JEITA/Enhanced Charging
   – Authentication
• Records Battery GAS GAUGE Information
• Protection Functions Help to Prevent:
   – Short-Circuit
   – Overcurrent CHARGE AND DisCHARGE
   – Overvoltage CHARGE (OverCHARGE)
   – Undervoltage (Over-DisCHARGE)
• Firmware Control of DisCHARGE FET
• SHA-1/HMAC Battery Authentication
• General Purpose I/O Configurable for One of the
   Following:
   – CFET Control
   – ALERT Output
• I2C Communications Interface with SBS
   CommAND Set Operation
• 12-pin, 2.50-mm x 4.00-mm SON Package

Applications
• Tablet PCs
• Slates
• Digital Still AND Video Cameras
• HANDheld Terminals
• MP3 or Multimedia Players

Part Name(s) : BQ2110 BQ2110B-009 BQ2110B-010 BQ2110B-013 BQ2110B-KT BQ2110LB-007 BQ2110LB-011 BQ2110LB-012 BQ2110LB-014 BQ2110LB-KT BQ2110LMODULE BQ2110MODULE BQ2110LB-001 TI
Texas Instruments
Description : NiCd or NiMH GAS GAUGE Module View

General Description
The bq2110 GAS GAUGE Module provides a complete AND compact solution for capacity monitoring of NiCd AND NiMH battery packs. Designed for battery pack integration, the bq2110 incorporates a bq2010 GAS GAUGE IC, a current sense resistor, AND all other components necessary to accurately monitor AND display the capacity of 4 to 12 series cells. The bq2110L includes six surfacemounted LEDs to display remaining capacity in 20% increments of the learned capacity (relative mode) or programmed capacity (absolute mode). The sixth LED is used in absolute mode to represent an overfull condition (CHARGE above the programmed capacity). The LEDs are activated with the onBOARD push-button switch.

Features
➤ Complete bq2010 GAS GAUGE solution for NiCd or NiMH battery packs
➤ Battery information available over a single-wire bidirectional serial port
➤ Battery state-of-CHARGE monitoring for 4- to 12-cell series applications
➤ On-BOARD regulator allows direct connection to the battery
➤ “L” version includes push-button activated LEDs to display state-of-CHARGE information
➤ Nominal capacity AND cell chemistry pre-configured
➤ Compact size for battery pack integration

Part Name(s) : STC3115 STC3115AIJT STC3115IJT ST-Microelectronics
STMicroelectronics
Description : GAS GAUGE IC with alarm output for hANDheld applications View

Description
The STC3115 includes the hardware functions required to implement a low-cost GAS GAUGE for battery monitoring. The STC3115 uses current sensing, Coulomb counting AND accurate measurements of the battery voltage to estimate the state-of-CHARGE (SOC) of the battery. An internal temperature sensor simplifies implementation of temperature compensation.

Features
• OptimGAUGETM algorithm
• 0.25% accuracy battery voltage monitoring
• Coulomb counter AND voltage-mode GAS GAUGE operations
• Robust initial open-circuit-voltage (OCV) measurement at power up with debounce delay
• Low battery level alarm output with programmable thresholds
• Internal temperature sensor
• Battery swap detection
• Low power: 45 µA in power-saving mode, 2 µA max in stANDby mode
• 1.4 x 2.0 mm 10-bump CSP package

Applications
• Mobile phones, multimedia players, digital cameras
• Portable medical equipment

Part Name(s) : STC3115AIQT STC3115IQT ST-Microelectronics
STMicroelectronics
Description : GAS GAUGE IC with alarm output for hANDheld applications View

Description
The STC3115 includes the hardware functions required to implement a low-cost GAS GAUGE for battery monitoring. The STC3115 uses current sensing, Coulomb counting AND accurate measurements of the battery voltage to estimate the state-of-CHARGE (SOC) of the battery. An internal temperature sensor simplifies implementation of temperature compensation.

Features
• OptimGAUGETM algorithm
• 0.25% accuracy battery voltage monitoring
• Coulomb counter AND voltage-mode GAS GAUGE operations
• Robust initial open-circuit-voltage (OCV) measurement at power up
• Programmable low battery alarm
• Internal temperature sensor
• Battery swap detection
• Low power: 45 µA in power-saving mode, 2 µA max in stANDby mode
• Micro-sized packages:
– 1.4 x 2.0 mm 10-bump CSP package
– 2.0 x 3.0 mm DFN10 package

Applications
• Mobile phones, multimedia players, digital cameras
• Portable medical equipment

Part Name(s) : BQ2111L BQ2111L-B BQ2111L-BKT BQ2111L-BXXX BQ2111LB BQ2111LB-001 BQ2111LB-KT BQ2111LB-XXX BQ2111LMODULE TI
Texas Instruments
Description : NiCd GAS GAUGE Module with LEDs for High DisCHARGE Rates View

General Description
The bq2111L GAS GAUGE Module provides a complete AND compact solution for capacity monitoring of NiCd battery packs in high disCHARGE rate applications such as power tools. Designed for battery pack integration, the bq2111L incorporates a bq2011 GAS GAUGE IC, five surface-mounted LEDs, AND the other discrete components necessary to monitor AND display accurately the capacity of 4- to 12-series cells. The only external component required is a low-value sense resistor connected be tween GND AND PACK-. Contacts are also provided on the bq2111L for direct connection to the battery stack AND the serial communications port (DQ). The battery stack should be connected between BAT+ AND GND. Please refer to the bq2011 data sheet for the specifics on the operation of the GAS GAUGE.
Unitrode configures the bq2111L based on the information requested in Table 1. The configuration defines the number of series cells AND the nominal battery pack capacity. The bq211L module uses the absolute LED display to indicate battery capacity. In this mode, the remaining capacity is represented as a percentage of the programmed capacity.
The bq2111L can operate directly from four series cells within the pack using the LBAT+ supply input. For four series cell applications or applications using the on BOARD regulator, LBAT+ should be connected to BAT+.
Please refer to Figure 1 for module connection illustrations.

Features
► Complete bq2011 GAS GAUGE solution for NiCd
   packs in high disCHARGE rate applications
► Five surface-mounted LEDs to display
   state-of-CHARGE information
► Battery state-of-CHARGE monitoring for 4- to 12-cell
   series applications
► On-BOARD regulator allows direct connection to the
   battery
► Battery information available over a single-wire
   bidirectional serial port
► Nominal capacity pre-configured
► Compact size for battery pack integration

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