Transcript bq24725 & bq24745 & bq24765 key Performance Comparison (1)

bq24725 & bq24745 & bq24765 key Performance Comparison (1)
bq24725
bq24745
bq24765
3.5x3.5 QFN-20
5x5 QFN-28
3.5x7 QFN-34
750
300
700
Yes, NMOS
No, PMOS
No, PMOS
Charge Voltage
1.024-19.2V with 16mV step
1.024-19.2V with 16mV step
1.024-19.2V with 16mV step
Charge Current
128mA to 8.128A with 64mA step
128mA to 8.064A with 128mA step
128mA to 8.064A with 128mA step
Input Current
128mA to 8.064A with 128mA step
256mA to 11.004A with 256mA step
256mA to 11.004A with 256mA step
Default input current
4096mA
256mA
256mA
DPM Response Time
80us
800us
800us
Yes, ChargeOption() bit[6]
No
No
ACDET > 3.1V
No
No
Cycle-by-Cycle, 5mV
Average, 1.25mV
Cycle-by-cycle, 10mV
No average
Cycle-by-cycle, 10mV
No average
Cycle-by-cycle, 6A, 9A, 12A auto select
Average, 145%xVref_Ichg
Average, 145%xVref_Ichg
Battery Short Protection
Yes
No (747 Yes)
Yes
MOSFET Short Protection
Yes
No
No
Inductor Short Protection
Yes
No
No
Package
Frequency (kHz)
Power Path Management
LEARN Function
Input OVP
Sync to Non-Sync
Charge Over Current
bq24725 & bq24745 & bq24765 key Performance Comparison (2)
bq24725
bq24745
bq24765
ACOC Protection
Yes,
1.33x, 1.66x, 2.22x IDPM,
disable
No
No
Charge current vs
Vbat
Vbat < 2.5V, 0.5A
Vbat < 4V, 3A,
Vbat <2.7V, 220mA
Vbat < 4V, 3A,
Vbat <2.7V, 220mA
ILIM pin
Yes
No
No
IOUT pin
20x adapter or charge current
20x adapter current
20x adapter current
CE function
ChargeOption() bit[0], SMBus
ILIM pin > 100mV
Hardware pin CE >
2.1V
Hardware pin CE >
2.1V
+/- 18%
No
No
175s, 88s, 44s, disable
175s
175s
Status Output
ACOK
ACOK, ICOUT
ACOK, ICOUT
Compensation
Internal
External, 3R+3C
External, 3R+3C
ChargeOption()
Register
Yes
No
No
EMI switching
frequency
Watchdog timer