Ti Bq29400 Battery Power Charger Control Management Integrated Circuit IC Voltage Monitor Protector Electronic Components Chip

• shape: Flat
• Conductive Type: Bipolar Integrated Circuit
• Integration: MSI
• Technics: Semiconductor IC
• Application: Standard Generalized Integrated Circuit
• Type: Digital / Analog IC
• Rating: Catalog
• RoHS: Yes
• Reach: Yes
• Lead Finish / Ball Material: Nipdau / Snagcu
• Delivery Time: 1-3 Days
• Transport Package: Small Large T&R
• Specification: 9 mm² 3 x 3
• Trademark: TI
• HS Code: 8542399000
• Production Capacity: 60000

Product Description

Packaging information

Package | PinsSSOP (DCT) | 8

Operating temperature range (°C)

Package qty | Carrier3,000 | LARGE T&R

Features for the BQ29400

• 2-, 3-, or 4-Cell Secondary Protection
• Low Power Consumption I_CC < 2 µA [VCELL_(ALL) <V_(PROTECT)]
• High Accuracy Over Sense Voltage:
  • bq29400: 4.35 V ±25 mV
  • bq29400A: 4.40 V ±25 mV
  • bq29401: 4.45 V ±25 mV
  • bq29405: 4.65 V ±25 mV
• Prefixed Protection Threshold Voltage
• Programmable Delay Time
• High Power Supply Ripple Rejection
• Stable During Pulse Charge Operation
• APPLICATIONS
  • 2^nd Level Protection in Lion Battery Packs in
    • Notebook PCs
    • Portable Instrumentation
    • Medical and Test Equipment

 

Description for the BQ29400

The bq29400, bq29400A, bq29401, and bq29405 are BiCMOS secondary protection ICs for 2-, 3-, or 4-cell Lithium-Ion battery packs that incorporate a high-accuracy precision over voltage detection circuit. They include a programmable delay circuit for over voltage detection time.

Each cell in a multiple cell pack is compared to an internal reference voltage. If one cell reaches an overvoltage condition, the protection sequence begins. The bq2940x device starts charging an external capacitor through the CD pin. When the CD pin voltage reaches 1.2 V, the OUT pin changes from a low level to a high level.