Part Number: BQ2057C Hi
My customer use BQ2057C to charge battery. The current sense is 0.1 ohm, transistor is FZT788B, the actual charging current is only about 200mA in the case of 5V voltage, and can rise to more than 400 mA when it reaches above 5.4v…
Part Number: BQ2057C Other Parts Discussed in Thread: BQ2057 , BQ24040 Hi,
Kindly know how to calculate the RT1 & RT2 value of the NTC block resistor.
Battery: 3.7V/2200mAh
Battery has inbuilt thermistor resistor, value of 10K. Data sheet is attached…
Part Number: BQ2057C Other Parts Discussed in Thread: BQ2057 , BQ24090 , BQ24001 , BQ24040 , Dear Specialists,
My customer is considering BQ2057 and has inquiries.
I would be grateful if you could advise.
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I am evaluating the circuit of datasheet P.7 (Figure…
Part Number: BQ2057C Other Parts Discussed in Thread: BQ24650 , TIDA-00120 Dear sir,
BQ2057C IC is suitable for Dua l lithium ion battery charging with Solar panel, BQ2057C IC is operated 4.5V to 15V ,1A output current ,can i give input Supply with…
Part Number: BQ2057C Other Parts Discussed in Thread: BQ2057 , BQ24040 , BQ24070 Hai,
I am using BQ2057CSN Li-Ion charger IC to charge 3.7V Battery ,
Attached is my circuit FYR
To disable TEMP SNS pin I am applying VCC/2 Voltage and battery is getting c…
Part Number: BQ2057C Sir,
I was trying to make a simple Li-ion based charger using TI Bq2057C IC. But while connecting it to the battery its potential drops to battery open circuit terminal potential. But when I did not connect the positive terminal of…
Part Number: BQ2057C Hi,
I have designed a chager using BQ2057C. The battery and charger is separate. When i need recharge the battery, i found the LED is off but there is charge current.
Reappear process:
1. Charge the battery to full and the LED turn…
Other Parts Discussed in Thread: BQ2057 , BQ2057C , BQ2057T Hi all,
My customer use panasonic battery(2S1P) but its CV voltage is 8V. And due to they are familiar with bq2057 series so they would like to use bq2057C with external BAt resistor divider to…