BQ79716B-Q1 - Automotive 16S Battery Monitor | Texas Instruments
MPN: BQ79716B-Q1 ✓ Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
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| 500 | $0 | $0.00 |
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BQ79716B-Q1 Overview
A battery monitor is a specialized analog front-end (AFE) IC that measures individual cell voltages and temperatures in a battery pack, and communicates the data to a microcontroller for state-of-charge (SoC) and state-of-health (SoH) estimation. In the hierarchy, the battery monitor sits as the cell supervision AFE, converting analog cell voltages into digital data via an internal ADC.
Key features include support for up to 16S battery modules, pin-to-pin compatibility with other channel options in the same package family, and ASIL-D functional safety compliance. The device also offers a temperature grade up to +125C ambient, robust ESD protection, and the ability to reuse established software and hardware across different platforms.
Technically, the BQ79716B-Q1 employs a state-of-the-art ADC architecture to achieve high measurement accuracy. It supports daisy-chained communication in large battery stacks, enabling scalability to 96S+ systems. The integrated balancer allows redistribution of charge across cells, improving battery pack longevity. However, specific electrical parameters such as supply voltage range and communication protocol are not specified in the current data.
Typical applications include battery management in electric vehicles (EV), hybrid electric vehicles (HEV), energy storage systems, industrial battery backup, and electric two-wheelers. The device's ASIL-D compliance makes it suitable for functional safety-critical systems where cell monitoring is mandatory.
Designers should ensure proper decoupling capacitors and high-voltage isolation for the daisy-chain interface. The HTSSOP-20 (PAP) package requires a thermal pad connection to ground for heat dissipation. Reference designs from TI (e.g., EVM) can guide layout for high-voltage BMS applications.
Drop-in alternatives for BQ79716B-Q1 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with BQ79716B-Q1 (same form factor and footprint) — differing in Operating Temperature Range, Package, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
BQ79616PAPRQ1
✅ Drop-In✓ In Stock
$7.65 / Unit
View Datasheet →BQ79716-Q1
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
BQ79716A-Q1
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
BQ79718-Q1
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
BQ79712-Q1
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
BQ79716B-Q1 Specifications
| Number of Battery Cells | 16S |
| Functional Safety | ASIL-D compliant |
| Operating Temperature Range | -40C to +125C |
| HBM ESD Classification | Level 2 |
| CDM ESD Classification | Level C1 |
| Package | HTSSOP-20 (PAP) |
| Mounting Type | Surface Mount |
| Type | Automotive battery monitor |
| Cell Balancing | Integrated |
| Qualification | AEC-Q100 |
| RoHS Status | unknown |
BQ79716B-Q1 htssop-20 (pap) Pin Configuration Guide
Pin configuration for BQ79716B-Q1 (htssop-20 (pap) package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for BQ79716B-Q1.
Refer to the datasheet for full pin configuration.
Typical Applications
BQ79716B-Q1 is suitable for 6 applications: EV/HEV Battery Management System, Energy Storage System, Industrial Battery Backup (UPS), Electric Two-Wheeler, Portable Power Tools and Robotics, Grid Storage / Solar Battery Systems.
EV/HEV Battery Management System
The BQ79716B-Q1 is ideal for EV/HEV BMS because it measures cell voltages across up to 16S battery modules with high accuracy, enabling precise state-of-charge and state-of-health estimation. Its ASIL-D compliance satisfies automotive functional safety requirements in xEV/EV. The device's pin-to-pin compatibility allows scaling to 18S or 12S modules without redesign. In BMS, it sits as the cell supervision AFE, communicating data to a host MCU via a daisy-chain interface. This configuration enables accurate cell balancing and thermal management in a compact, automotive-rated package.
Recommended
Energy Storage System
For grid-scale energy storage, the BQ79716B-Q1 monitors cell voltages in large battery stacks up to 16S per device. Its high-accuracy ADC and integrated balancer ensure uniform cell charge, extending battery life. The device supports daisy-chained communication to monitor hundreds of cells, making it scalable for ESS. The -40C to +125C temperature range covers harsh outdoor environments. With ASIL-D capability, it can be used in safety-critical energy storage applications.
Recommended
Industrial Battery Backup (UPS)
Industrial uninterruptible power supplies (UPS) rely on battery monitors to verify cell health. The BQ79716B-Q1's 16S capability suits 48V to 400V battery banks. Its integrated balancing ensures cells remain within safe voltage limits, preventing premature failure. The HTSSOP-20 package allows compact design in space-constrained UPS systems. The device's ESD robustness (HBM level 2, CDM level C1) protects against industrial transients.
Recommended
Electric Two-Wheeler
Electric scooters typically use 13S to 16S lithium-ion battery packs. The BQ79716B-Q1's 16S measurement capability directly matches these packs. Its small HTSSOP-20 footprint is ideal for space-limited controllers. The device's ASIL-D compliance supports mandatory safety regulations in automotive-grade designs. The low quiescent current and temperature rating to +125C make it suitable for densely packed, high-temperature applications.
Recommended
Portable Power Tools and Robotics
The BQ79716B-Q1 can be used in battery-powered robots and power tools with 16S packs. Its high-accuracy measurement ensures optimal SoC and protects cells from overdischarge. The integrated balancer equalizes cell voltages, maximizing pack runtime. The device's compact package and wide temperature range support tool and robot designs that demand ruggedness.
Recommended
Grid Storage / Solar Battery Systems
For solar energy storage, the BQ79716B-Q1 monitors up to 16S battery modules, supporting 48V to 400V DC bus systems. Its precise cell voltage measurements enable accurate state-of-charge monitoring for maximum solar energy utilization. The device's daisy-chain capability allows easy expansion for large battery arrays. With ASIL-D compliance, it is safe for residential and commercial storage systems.
Recommended
Recommended Products Summary
Engineering reference data for BQ79716B-Q1 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | BQ79716-Q1 | BQ79718-Q1 | BQ79616PAPRQ1 |
|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | HTSSOP-20 (PAP) | HTSSOP-20 (PAP) | HTSSOP-20 (PAP) | HTSSOP-20 (PAP) |
| Number of Cells | 16S | 16S | 18S | 16S |
Key Differentiators
- ASIL-D functional safety compliance (vs BQ79616PAPRQ1)
- Pin-to-pin compatibility across channel options (vs BQ79718-Q1)
- High-accuracy 16S measurement (vs BQ79712-Q1)
Design Notes
For high-voltage BMS applications, the BQ79716B-Q1's HTSSOP-20 (PAP) package requires a thermal pad connected to ground. Place a 0.1uF decoupling capacitor close to each VDD pin and a 10uF bulk capacitor. The daisy-chain interface should be routed with proper isolation to prevent noise coupling.
Do not exceed the maximum cell voltage rating. Ensure the ADC input filters are properly sized to reduce noise. When using the integrated balancer, confirm the balancing current does not cause excessive thermal rise.
The HTSSOP-20 has a thermal pad that must be soldered to a large copper region for heat dissipation. In a 16S BMS, the device's power dissipation is low, but balancing currents can produce heat. Use vias to the ground plane for thermal relief.
Compliance Information
AEC-Q100 qualification inferred from Q1 suffix; RoHS/REACH not confirmed in verified data.
