The bq51014 seems to have overcurrent and overvoltage protection for adapter input. Surely, you’d always want that?
RX ICs bq51014 and bq51013A and I can’t find any difference between the two.
Both devices have output overcurrent protection but differ in how this is handled. The adapter overvoltage is a new feature that has been added to the bq51014.
There are three key differences between the bq51014 and bq51013A:
1.) 014 has CS100 feature – The RX will report when output has reached a user defined min current that will typically represent Charge Complete or Charge Status of 100%.
2.) 014 has AD-OVP of 12.5V – If an adapter with a voltage of greater than 12.5V is connected the pass fet will not turn on, AD_EN will not switch AD input to Out.
3.) 014 has Over Current Shutdown – End Power Transfer is sent to the transmitter during over current. For the 013A the output LDO will limit current.
Bill Johns, Applications Engineer
bqTESLA Wireless Power Products
Texas Instruments Inc
I compare bq51013A and bq51014 schematic and find bq51014 need (1) one diode from AD pin to RECT pin (2) Rterm from TERM pin to ground.
Q1: Can you advice the purpose of these two devices?
Q2: Can you recommend suitable diode part number?
Q3: which part I should suggest to customers?
Thank you and regards
If these features are not needed for the customer, he can use the 13A instead.
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