bq20z75 Selling Leads, Price trend, bq20z75 DataSheet download, circuit diagram from SeekIC.com

Features: ` Next Generation Patented Impedance Track™ Technology accuratelyMeasures Available Charge in Li-Ion and Li-Polymer Batteries Better than 1% Error Over Lifetime of the Battery Instant Accuracy No Learning Cycle Required` Supports the Smart Battery Specification SBS V1.1` Flexible...

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SeekIC No. : 004301174 Detail

bq20z75: Features: ` Next Generation Patented Impedance Track™ Technology accuratelyMeasures Available Charge in Li-Ion and Li-Polymer Batteries Better than 1% Error Over Lifetime of the Battery Insta...

bq20z75 Data Sheet

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Part Number:: bq20z75
Supply Ability:: 5000

Price Break

Qty
1~5000

Unit Price
Negotiable

Processing time
15 Days

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Upload time: 2024/5/13

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Product Details

Description

Features:

` Next Generation Patented Impedance Track™ Technology accurately
    Measures Available Charge in Li-Ion and Li-Polymer Batteries
    Better than 1% Error Over Lifetime of the Battery
   Instant Accuracy No Learning Cycle Required
` Supports the Smart Battery Specification SBS V1.1
` Flexible Configuration for 2 to 4 Series Li-Ion and Li-Polymer Cells
` Powerful 8-Bit RISC CPU With Ultra-Low Power Modes
` Full Array of Programmable Protection Features
    Voltage, Current and Temperature
` Supports SHA-1 Authentication
` small 38-Pin TSSOP (DBT) Package

Application

· Notebook PCs
· Medical and Test Equipment
· Portable Instrumentation

Pinout

Connection Diagram

Specifications

	DESCRIPTION	PIN	UNIT
V_MAX V_IN	Supply voltage range	VBAT, V_CC	0.3V to 34V
	Input voltage range	PACK, PMS	0.3V to 34V
		VC(n)-VC(n+1); n = 1,2, 3, 4	0.3V to 8.5V
		VC1, VC2, VC3, VC4	0.3V to 34V
		VC5	0.3V to 1.0V
		PFIN, SMBD, SMBC,DISP	0.3V to 6.0V
		TS1, TS2, VCELL+,PRES; ALERT	0.3 V to V R_EG25 + 0.3 V
		MRST, GSRN, GSRP,RBI	0.3 V to V R_EG25+ 0.3 V
		ASRN, ASRP	1.0V to 1.0V
V_OUT	Output voltage range	DSG, CHG, GPOD	0.3V to 34V
		ZVCHG	0.3V to V BAT
		TOUT, ALERT,REG33,	0.3 V to 6.0V
		RESET	0.3 V to 7.0V
		REG25, SAFE, TOUT	0.3V to 2.75V
I_SS	Maximum combined sink current for input pins	PRES, PFIN, SMBD,SMBC	50mA
T_A	Operating free-air temperature range		40°C to 85°C
T_F	Functional temperature		40°C to 100°C
T_sld	Storage temperature range		65°C to 150°C
T_sld	Lead temperature (soldering, 10s)		300°C

(1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

Description

The bq20z75 SBS-compliant gas gauge and protection IC is a single IC solution designed for battery-pack or in-system installation. The bq20z75 measures and maintains an accurate record of available charge in Li-ion or Li-polymer batteries using its integrated high-performance analog peripherals, monitors capacity change, battery impedance, open-circuit voltage, and other critical parameters of the battery pack as well and reports the information to the system host controller over a serial-communication bus. Together with the integrated analog front-end (AFE) short-circuit and overload protection the bq20z75 maximizes functionality, safety and minimize external component count, cost and size in smart battery circuits.

The implemented Impedance Track™ gas gauging technology of bq20z75 continuously analyzes the battery impedance, resulting in superior gas-gauging accuracy. This enables remaining capacity to be calculated with discharge rate, temperature, and cell aging all accounted for during each stage of every cycle with high accuracy.

bq20z75

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