text.skipToContent text.skipToNavigation
warning This page may load slowly on Internet Explorer. Content on this page may load slowly on Internet Explorer. For a faster experience, please view in Chrome or Firefox.

BQ2050HSN-A508 ACTIVE

Li-ion gas gauge with high-speed 1-wire (HDQ) interface and 5 LED drivers

Same as: BQ2050HSN-A508G4   This part number is identical to the part number listed above. You can only order quantities of the part number listed above.

Replaced by: BQ34Z100PW-G1

Pricing


Qty Price (USD)
1-99 18.326
100-249 14.94
250-999 11.743
1,000+ 9.96

Additional package qty | carrier options info-circle

custom-reels CUSTOM Custom reel may be available
Package qty | Carrier 2,500 | LARGE T&R
Inventory
Qty | Price (USD) 1ku | 8.587 1-99 15.8 100-249 12.881 250-999 10.124 1,000+ 8.587

Quality information

RoHS Yes
REACH Yes
Lead finish / Ball material NIPDAU
MSL rating / Peak reflow Level-2-260C-1 YEAR
Quality, reliability
& packaging information info-circle

Information included:

  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring
View or download

Export classification

  • US ECCN: EAR99

Packaging information

Package | Pins SOIC (D) | 16
Package qty | Carrier: 40 | TUBE
Operating temperature range (°C) 0 to 70
View TI packaging information

Features for the BQ2050H

  • Accurate measurement of available capacity in Lithium Ion batteries
  • Provides a low-cost battery management solution for pack integration
    • Complete circuit can fit in as little as 1/2 square inch of PCB
    • Low operating current (120µA typical)
    • Less than 100nA of data retention current
  • High-speed (5kb) single-wire communication interface (HDQ
    bus) for critical battery parameters
  • Monitors and controls charge FET in Li-Ion pack protection circuit
  • Direct drive of remaining capacity LEDs
  • Measurements automatically compensated for rate and temperature
  • 16-pin narrow SOIC

Description for the BQ2050H

The bq2050H Lithium Ion Power Gauge™ IC is intended for battery pack or in-system installation to maintain an accurate record of available battery capacity. The IC monitors a voltage drop across a sense resistor connected in series between the negative battery terminal and ground to determine charge and discharge activity of the battery. Compensations for battery temperature, self discharge, and rate of discharge are applied to the charge counter to provide available capacity information across a wide range of operating conditions. Battery capacity is automatically recalibrated, or "learned," in the course of a discharge cycle from full to empty.

Nominal available capacity may be directly indicated using a fivesegment LED display. These segments are used to graphically indicate available capacity. The bq2050H also supports a simple single-line bidirectional serial link to an external processor (common ground). The 5kb HDQ bus interface reduces communications overhead in the external microcontroller.

Internal registers include available capacity, temperature, scaled available energy, battery ID, battery status, and Li-Ion charge FET status. The external processor may also overwrite some of the bq2050H power gauge data registers.

The bq2050H can operate from the batteries in the pack. The REF output and an external transistor allow a simple, inexpensive voltage regulator to supply power to the circuit from the cells.

Pricing


Qty Price (USD)
1-99 18.326
100-249 14.94
250-999 11.743
1,000+ 9.96

Additional package qty | carrier options info-circle

custom-reels CUSTOM Custom reel may be available
Package qty | Carrier 2,500 | LARGE T&R
Inventory
Qty | Price (USD) 1ku | 8.587 1-99 15.8 100-249 12.881 250-999 10.124 1,000+ 8.587

Carrier options

You can choose different carrier options based on the quantity of parts, including full reel, custom reel, cut tape, tube or tray.

custom reel is a continuous length of cut tape from one reel to maintain lot- and date-code traceability, built to the exact quantity requested. Following industry standards, a brass shim connects an 18-inch leader and trailer on both sides of the cut tape for direct feeding into automated assembly machines. TI includes a reeling fee for custom reel orders.

Cut tape is a length of tape cut from a reel. TI may fulfill orders using multiple strips of cut tapes or boxes to satisfy the quantity requested.

TI often ships  tube or tray  devices inside a box or in the tube or tray, depending on inventory availability. We pack all tapes, tubes or sample boxes according to internal electrostatic discharge and moisture-sensitivity-level protection requirements.

Learn more

Lot and date code selection may be available

Add a quantity to your cart and begin the checkout process to view the options available to select lot or date codes from existing inventory.

Learn more