Texas Instruments BQ79606APHPTQ1
- Part Number:
- BQ79606APHPTQ1
- Manufacturer:
- Texas Instruments
- Ventron No:
- 6369502-BQ79606APHPTQ1
- Description:
- 6-S automotive precision battery monitor, balancer and integrated protector with ASIL-D compliance
- Datasheet:
- bq79606a-q1
- Number of series cells (min)3
- Vin (max) (V)33
- FeaturesCell balancing
- Device typeCell monitor and balancer
- Number of series cells (max)6
- Operating temperature range (°C)-40 to 105
- RatingAutomotive
- Battery overvoltage protection (min) (V)2
- Battery overvoltage protection (max) (V)5
- TI functional safety categoryFunctional Safety-Compliant
- Communication interfaceDifferential Daisy Chain
- Operating current (typ) (μA)4200
The BQ79606A-Q1 device provides simultaneous, high accuracy, channel measurements for three to six battery cells. With the inclusion of a daisy chain communication port, the BQ79606A-Q1 device is stackable (up to 64 devices) to support the large stack configurations found in battery packs for electrified automotive drive trains. Providing a Delta Sigma converter per cell input, the BQ79606A-Q1 allows simultaneous measurement of the battery voltages.
The BQ79606A-Q1 includes an auxiliary ADC that supports cell temperature measurements for up to six NTCs as well as internal rails to enable safety checks for the device. A die temperature measurement ADC is also included to provide temperature correction to enable high accuracy results over an extended temperature range.
Host communication to the BQ79606A-Q1 device is done via dedicated UART interface. Additionally, an isolated, differential daisy-chain communication interface that supports either capacitor or transformer isolation allows the host to communicate with the entire battery stack. The daisy-chain communication interface can be configured (optional) in a ring architecture that allows the host to talk to devices at either end of the stack in cases of communication line breaks.
Precision Monitor with Integrated Hardware Protector for Automotive Li-Ion Battery Pack Applications 3 Cells 48-Pin HTQFP T/R
IC BATT MON LI-ION 3-6CL 48HTQFP
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ImagePart NumberManufacturerNumber of series cells (min)Vin (max) (V)FeaturesDevice typeNumber of series cells (max)Operating temperature range (°C)RatingBattery overvoltage protection (min) (V)Battery overvoltage protection (max) (V)TI functional safety categoryCommunication interfaceOperating current (typ) (μA)View Compare
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BQ79606APHPTQ1333Cell balancingCell monitor and balancer6-40 to 105Automotive25Functional Safety-CompliantDifferential Daisy Chain4200-
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680Cell balancingCell monitor and balancer12-40 to 125Automotive2.74.5Functional Safety-CompliantDaisy Chain9000
-
680Cell balancingCell monitor and balancer16-40 to 125Automotive2.74.5Functional Safety-CompliantChain9000
-
333Cell balancingCell monitor and balancer6-40 to 105Automotive25Functional Safety-CompliantDifferential Daisy Chain4200
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