BQ79612PAPRQ1

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BQ79612PAPRQ1

AUTOMOTIVE 12-S PRECISION BATTER

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  • Fr. Teil #BQ79612PAPRQ1
  • Paket HTQFP (PAP)-64
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Spezifikationen

Package Tape & Reel (TR),Cut Tape (CT)
Series Automotive, AEC-Q100, Functional Safety (FuSa)
ProductStatus Active
Function Battery Monitor
BatteryChemistry Lithium Ion
NumberofCells 1
FaultProtection Over Temperature
Interface SPI, UART
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 64-PowerTQFP

Übersicht

Description

BQ79612PAPRQ1 is TI’s automotive battery-pack monitor and protection IC for multi-cell Li‑ion packs. It monitors up to 12 series cell voltages, pack current, and temperatures, and provides safety protections such as overvoltage/undervoltage, overcurrent/short‑circuit, and thermal faults. When a fault occurs, it can drive external high‑side/low‑side MOSFETs to disconnect the pack and reports status via a serial interface to the host MCU (with dedicated FAULT/ALERT outputs). It’s a protection-focused device (not a cell balancer), so balancing is typically handled by the system controller or another BMS function. The PAPRQ1 suffix denotes a specific package/revision/temperature grade from TI. Used in automotive battery-management systems, it serves as the protection core that coordinates with other BMS logic for charging, state‑of‑charge estimation, and pack safety.

Features

Key features of bq79612PAPRQ1 (12S battery monitor/protector):
- 12-cell (12S) battery monitoring and protection for Li-ion packs.
- Passive cell balancing: the device controls external balancing FETs to bleed excess energy from higher cells.
- Independent cell-voltage measurements for up to 12 cells with status reporting.
- Per-cell overvoltage and undervoltage protection with programmable thresholds.
- Pack current sensing and short-circuit protection for both charge and discharge with programmable limits.
- Temperature monitoring via external NTC sensors (typically supports two sensors).
- I2C-compatible digital interface for host controller access to voltages, temps, status, and control of balancing.
- Fault and warning reporting with latched/masked outputs for robust diagnostics.
- Low quiescent current with sleep/standby modes for energy efficiency.
- Self-diagnostic and protection failsafe behavior suitable for automotive applications.

Package

PowerPAD (PAP) package — 28‑pin QFN-style with exposed pad; Q1 denotes Tape & Reel.

Pinout

- Pin count: 40 pins (PAPRQ1 variant in a 40‑pin package).
- Function: 12‑cell battery protection IC (BMS) that monitors cell voltages, pack current and temperature, provides over/under voltage and overcurrent/short protection, and drives external MOSFETs; communicates with a host controller via a serial interface (SMBus/I2C).

Manufacturer

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

Application

Applications of bq79612PAPRQ1:
- Automotive battery packs (12S Li‑ion packs) for propulsion and auxiliary power
- Industrial energy storage systems and telecom backup
- Renewable energy systems (solar/wind storage)
- E‑mobility devices (e-bikes, scooters), power tools, and UPS with multi‑cell packs
Used as a BMS monitor/protector with external FETs, providing cell monitoring and protection (OV/UV/OC/short, thermal) and pack diagnostics.

Versand

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Versandgebührenreferenz (DHL/FedEx):

DHL: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 2-5 Werktagen.

von FedEx: Versandkosten reichen von $25-$40 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

UPS: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

TNT: Versandkosten reichen von $25-$65 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

EMS: Versandkosten reichen von $30-$50 (0.5kg), mit einer geschätzten Lieferzeit von 7-15 Werktagen.

Registrierte Luftpost: Versandkosten sind $ 2- $ 4 (0,1 kg), mit einer geschätzten Lieferzeit von 5-20 Werktagen.

Zahlungen

Payment Methods

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