Selection Guide for Mainstream Bluetooth Module Chips for Lithium Battery BMS Protection Boards — KT6368A Dual-Mode Chip

1. Types of BMS Protection Board Products Currently, many manufacturers produce BMS (Battery Management System) protection boards for lithium batteries, but only a few excel in quality. Insights from repair engineers on platforms like Bilibili provide authentic perspectives. Based on my observations, BMS protection boards generally fall into two categories:

Type 1: Integrated Battery & BMS Systems
Manufacturers combine lithium battery packs and BMS into a single product (e.g., for two-wheel or three-wheel electric vehicles).
Mass-produced and sold as finished battery products or battery boxes.

Type 2: Modular Battery Packs with External BMS
Sellers provide battery packs without built-in BMS (often lacking R&D capabilities or targeting repair shops/hobbyists).
Buyers pair these with external BMS boards and sell assembled battery systems to niche markets.

Key Takeaways:
Standard, high-volume applications typically develop proprietary BMS boards (rarely include Bluetooth).
Low-volume, fragmented markets often use externally sourced BMS boards (Bluetooth is a common feature).

Why Bluetooth Integration Matters:
Enables mobile app interaction for parameter monitoring/configuration.
Enhances user experience, reduces after-sales costs, and increases customer satisfaction.

This analysis aligns product development with customer needs and supports a SWOT evaluation of the KT6368A dual-mode Bluetooth chip. Understanding demand can reveal untapped product potential.

Typical BMS Protection Board Requirements:
Market prefers dual-mode chips for backward compatibility.
Consumers favor WeChat Mini Programs for ease of use.
Supported battery types: Ternary Lithium, LiFePO4 (LFP).
Balancing method: Active balancing.

1. Sample Bluetooth-Enabled BMS Boards Collected Online

1.JDY-33-V1.6 – Bluetooth SPP transparent transmission module (datasheet available).

1. D32 Dual-Mode Bluetooth Module – Supports UART transparent transmission, SPP 3.0 + BLE 4.2, HC-05/06 compatibility.

Feiyitong-based Module (likely high-cost, from an official site).

DX-BT24 Module – Another variant in use.

1. Conclusion The KT6368A dual-mode Bluetooth chip offers distinct advantages for BMS lithium battery applications:

Compact size & cost-effectiveness make it a top contender.
SOP8 package simplifies integration.
Enables flexible module designs, reducing costs for manufacturers.

By adopting the KT6368A, companies can optimize BMS board designs while maintaining compatibility and affordability.