BQ2000TPWR

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BQ2000TPWR

IC BAT CHG MULTCHEM 1-4CL 8TSSOP

  • Fabricante
  • Mfr. Parte #BQ2000TPWR
  • Paquete TSSOP (PW)-8
  • Hoja de datos
  • En stock7844

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Especificaciones

Package Tape & Reel (TR),Bulk
ProductStatus Active
BatteryChemistry Multi-Chemistry
NumberofCells 1 ~ 4
Current-Charging Constant - Programmable
ProgrammableFeatures Current, Timer, Voltage
Voltage-Supply(Max) 6V
OperatingTemperature -20°C ~ 70°C (TA)
MountingType Surface Mount
Package/Case 8-TSSOP (0.173, 4.40mm Width)

Descripción general

Description

BQ2000TPWR is a TI battery fuel gauge IC (gas gauge) in the BQ2000 family. It monitors a rechargeable pack’s voltage, current (via a sense resistor), and temperature to estimate state of charge (SOC) and remaining capacity using coulomb counting and aging-aware learning. It stores design capacity, full-charge capacity, and other data in nonvolatile memory and can adapt to battery aging over time. Communication with a host controller is via a two‑wire SMBus/I2C‑like interface. It does not directly charge the battery; it requires external charging electronics and a sense resistor, and it works with a battery pack’s front end. Typical uses are in consumer electronics and battery packs where SOC, capacity, and health monitoring are needed. For exact pinout, register map, and electrical characteristics, consult the BQ2000TPWR datasheet.

Features

Here are the key features of BQ2000TPWR (one‑cell Li‑ion/Li‑poly gauge):
- Single‑cell gas gauge with coulomb counting
- On‑chip ADCs for cell voltage, current (via sense resistor), and temperature
- State-of-charge (SOC) estimation with coulomb counter and optional OCV lookup
- Programmable design capacity and charge/discharge termination thresholds
- End‑of‑Discharge and End‑of‑Charge detection (ΔV, current/voltage thresholds)
- Temperature monitoring with external NTC input
- Nonvolatile memory to store calibration data, capacity, and flags
- SBI (two‑wire serial) interface for register access and configuration
- Interrupt/status outputs for SOC, faults, and alerts
- Auto‑calibration of the coulomb counter and self‑test features
- Low quiescent current and fast wake/sleep for power efficiency
- Small package option (TPWR variant) for portable devices
Note: It is a gas gauge (no integrated protection); use with a separate protection circuit if needed.

Pinout

- Pin count: 28 pins (TPWR package; exact count may vary by specific package variant).
- Function: Battery fuel gauge and protection IC for a single-cell Li‑ion pack. Provides coulomb counting, voltage/temperature monitoring, and protection controls; communicates with a host MCU via SMBus/I2C.

Manufacturer

- Manufacturer: Texas Instruments (TI).
- Company type: American multinational semiconductor company that designs and manufactures integrated circuits and embedded processors.

Application

Applications of BQ2000TPWR:
- Rechargeable battery packs for portable electronics (Li‑ion/NiMH)
- Cordless tools, robotics, and battery-powered peripherals
- Medical devices and portable monitoring equipment
- Industrial and telecom backup power (UPS, data loggers)
- General battery management: coulomb counting, voltage/temperature sensing, and short-circuit protection in packs and development boards

Equivalent

BQ2000TPWR is TI’s single‑cell Li‑ion gas gauge + protection IC. There isn’t a direct non‑TI drop‑in equivalent. Closest options are other TI parts in the BQ2000 family or newer TI families with similar functionality (BQ20xx, BQ274xx), though pinouts differ. For a precise cross‑reference, please share the package/footprint and required features (fuel gauge, protection specifics, interfaces).

Envío

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Referencia de tarifas de envío (DHL/FedEx):

DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.

FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.

Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.

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