Electronic Components Datasheet Search |
|
BQ24721 Datasheet(PDF) 5 Page - Texas Instruments |
|
BQ24721 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 48 page www.ti.com ELECTRICAL CHARACTERISTICS bq24721 SLUS683 – NOVEMBER 2005 8 Vdc ≤ V (VCC) ≤ 24 Vdc, 0°C ≤ TJ ≤ 125°C, all voltages with respect to AGND (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OPERATING CONDITIONS V(VCC), V(PVCC), input voltage V(INOP) Selector and charger operational. 8 24 V operating range QUIESCENT CURRENT – NO ADAPTER CONNECTED VCC and PVCC quiescent I(VCC,PVCC) I(VCC,PVCC) = ( I(VCC) + I(PVCC) ) at V(VCC) = V(PVCC) = 16.8 V 254 µA current ACP and ACN quiescent I(ACP,ACN) = ( I(ACP) + I(ACN) ) at V(ACP) = V(ACN) = V(VCC) = V(PVCC) = I(ACP,ACN) 1 µA current 16.8 V I(BAT) BAT quiescent current I(BAT) at V(BAT) = V(VCC) = V(PVCC) = 16.8 V 17 µA SRP and SRN quiescent I(SRP,SRN) = ( I(SRP) + I(SRN) ) at V(SRP) = V(SRN) = V(VCC) = V(PVCC) = I(SRP,SRN) 1 µA current 16.8 V SYNN and SYNP quiescent I(SYNN,SYNP) = ( I(SYNN) + I(SYNP) ) at V(SYNP) = V(SYNN) = V(VCC) = I(SYNN,SYNP) 1 µA current V(PVCC) = 16.8 V I(SYS) SYS quiescent current I(SYS) at V(SYS) = V(VCC) = V(PVCC) = 16.8 V 25 µA I(PH) PH quiescent current I(PH) at V(PH) = V(VCC) = V(PVCC) = 16.8 V 1 µA I(BTST) BTST quiescent current I(BTST) at V(BTST) = V(VCC) = V(PVCC) = 16.8 V 1 µA QUIESCENT CURRENT – ADAPTER CONNECTED AND READY TO CHARGE VCC and PVCC quiescent I(VCC,PVCC) I(VCC,PVCC) = (I(VCC) + I(PVCC) at V(VCC) = V(PVCC) = 16.8 V 4.45 mA current ACP and ACN quiescent I(ACP,ACN) = (I(ACP) + I(ACN) ) at V(ACP) = V(ACN) = V(VCC) = V(PVCC) = I(ACP,ACN) 815 µA current 16.8 V I(BAT) BAT quiescent current I(BAT) at V(BAT) = V(VCC) = V(PVCC) = 16.8 V 500 µA SRP and SRN quiescent I(SRP,SRN) = ( I(SRP) + I(SRN) ) at V(SRP) = V(SRN) = V(VCC) = V(PVCC) = I(SRP,SRN) 305 µA current 16.8 V I(SYNN,SYNP,SYS SYNN, SYNP, and SYS I(SYNN,SYNP,SYS) = ( I(SYNN) + I(SYNP) + I(SYS) ) at V(SYNP) = V(SYNN) = 321 µA ) quiescent current V(SYS) = V(VCC) = V(PVCC) = 16.8 V I(PH) PH quiescent current I(PH) at V(PH) = V(VCC) = V(PVCC) = 16.8 V 1 µA I(BTST) BTST quiescent current I(BTST) at V(BTST) = V(VCC) = V(PVCC) = 16.8 V 1 µA I(VCC_SW) = I(VCC) VCC Current while converter FPWM = 300 kHz, charger on (CHGEN = LO) = ENABLED I(VCC_SW) is switching including gate Qg at HIDRV = Qg at LODRV = 30 nC, [No Load on VREF5] 25 mA drive current Gate drive switching current = Qg × FPWM = (30nC + 30nC) × 300kHz = 18mA 5V REFERENCE LDO VOLTAGE AND AC DETECTION STATUS (VREF5, turns-on when AC detected) Adapter detected (VACDET>V(ACD)), VCC> 7 V VVREF5 5V Regulator output voltage 4.75 5 5.25 V 0 → 10 mA, source current Saturation voltage when Adapter not detected, (VACDET< V(ACD)) VVREF5_SAT 0.3 V VREF5 is off 0 →– 10 mA, ac adapter inserted, C O = 1 µF, discharge Load IVREF5_LIM Short-circuit current V(VREF5) = AGND 20 mA UNDERVOLTAGE LOCKOUT CIRCUIT Under voltage lockout VREF5 rising, POR mode set at VREF5 < V(UVLO) 3.7 V threshold UVLO V(UVLO) hysteresis VREF5 falling 100 mV SBS-Like SMBus LOGIC LEVELS VIL Input low threshold level 2.7 V < V(pull-up) < 5.5 V, SDA and SCL 0.8 V VIH Input high threshold level 2.7 V < V(pull-up) < 5.5 V, SDA and SCL 2.1 V Ibias Input bias current 2.7 V < V(pull-up) < 5.5 V, SDA and SCL 1 µA ALARM OPEN DRAIN OUTPUTS ALARM output low saturation V(ALARM_sat) I(ALARM) = 5mA 0.5 V level Ilkg(ALARM) ALARM leakage current VALARM = 5V 1 µA THERMAL SHUTDOWN T(SHUT) Thermal shutdown Threshold TJ rising, Charge disabled at TJ > T(SHUT) 145 °C T(SHUTH) Hysteresis TJ falling, Charge enabled at TJ < T(SHUT)– T(SHUTH) 15 °C Deglitch time, thermal TJ rising/falling 8 ms shutdown 5 |
Similar Part No. - BQ24721 |
|
Similar Description - BQ24721 |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.COM |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |