Other Parts Discussed in Thread: DRV8848 , DRV8833 , CSD13381F4 Hi
Is there a motor driver with the feature to detect if motor is connected or not ?
For example a driver connected to a DC motor
In idle state (no motor operation), the motor can be disconnected…
Part Number: BQ76940 Other Parts Discussed in Thread: CSD13381F4 , TIDA-00449 , CSD13383F4 Hi,
in slua749a, section 4: Cell Balance, it says "A FET with a defined RDS(ON) at approximately ½ the cell voltage is desired."
What does this mean…
Lloyd,
I handle the CSD13381F4. You are correct that most FETs are just spec'd at Idss of 1uA. The CSD13381F4 runs on a low leakage process, so we were able to push down the Idss leakage spec to 100nA. In fact, our 3 wafer lot characterization data…
Other Parts Discussed in Thread: BQ76930 , TIDA-00449 , CSD13381F4 I'm testing one of our prototype boards and, after initial calibration, the cell voltage measurements were perfect. Some time later, after performing assorted tests, I noticed that the measured…
The bq29700 uses 100mV between V- and VSS for the over current threshold. With a 50mA current limit the RDSon of the 2 fets would be 2 ohms total to achieve that. 1Ohm mosfets are not available on the TI site. So I want to use a series precision resistor…
Hi Etienne,
Sorry for the delay. We think adding the capacitor in parallel to the sense resistor will not help, but have been surprised by the results before. It should cause the on time to increase, but also decrease the efficiency of the system as the…