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Texas Instruments' (TI) BQ7694202PFBR is a highly integrated, high-precision battery monitor and protector for 3- to 10-cell series lithium-ion, lithium-polymer, and lithium iron phosphate battery packs. The device incorporates a high-precision monitoring system and a highly configurable protection subsystem, supporting either autonomous or host-controlled battery balancing. It integrates a high-side charge pump NFET driver, dual programmable LDOs for external systems, and a host communication peripheral supporting 400kHz I²C, SPI, and HDQ single-wire protocols. The BQ7694202PFBR is available in a 48-pin TQFP package.

Features of the BQ7694202PFBR

• Battery monitoring functionality for 3 to 10 series-connected cells

• Integrated charge pump for high-side NFET protection with optional auto-recovery

• Comprehensive protection suite including voltage, temperature, current, and internal diagnostics

• Two independent ADCs

– Supports simultaneous current and voltage sampling

– High-precision coulomb counter with input offset voltage error < 1µV (typical)

– High-accuracy battery voltage measurement < 10mV (typical)

• Wide-range current applications (±200mV measurement range across sense resistor)

• Integrated chemical fuse driving secondary protection

• Autonomous or host-controlled battery balancing

• Multiple power modes (typical battery pack operating range conditions)

– Normal mode: 286µA

– Multiple sleep mode options: 24µA to 41µA

– Multiple deep sleep mode options: 9µA to 10µA

– Shutdown mode: 1µA

• 85V high-voltage tolerance on battery connections and select other pins

• Supports random battery connection sequences on production lines

• Temperature sensing via internal sensor and up to nine external thermistors

• Integrated one-time programmable (OTP) memory programmable by customer on production line

• Communication options include 400kHz I²C, SPI, and HDQ single-wire interface

• Dual programmable LDOs for external systems

• 48-pin TQFP package (PFB)

Applications for the BQ7694202PFBR

• Cordless power tools and garden tools

• Vacuum cleaners

• Electric bicycles, electric scooters and LEVs

• Non-military drones

• Other industrial battery packs (3 to 10 cells in series)

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.