 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
BQ51050B Datasheet(PDF) 7 Page - Texas Instruments |
|
||||||||||||||||||||||||||||||
BQ51050B Datasheet(HTML) 7 Page - Texas Instruments |
|
|
7 / 43 page  7 bq51050B, bq51051B, bq51052B www.ti.com SLUSB42E – JULY 2012 – REVISED MARCH 2015 Product Folder Links: bq51050B bq51051B bq51052B Submit Documentation Feedback Copyright © 2012–2015, Texas Instruments Incorporated Thermal Information (continued) THERMAL METRIC(1) bq51050B, bq51051B, bq51052B UNIT YFP (DSGBA) RHL (VQFN) 28 PINS 20 PINS RθJC(bot) Junction-to-case (bottom) thermal resistance n/a 2.7 °C/W (1) VRECT-REG is overridden when rectifier foldback mode is active (VRECT-REG-VTRACK). 7.5 Electrical Characteristics Over junction temperature range 0°C ≤ TJ ≤ 125°C and recommended supply voltage (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VUVLO Undervoltage lockout VRECT: 0 V → 3 V 2.6 2.7 2.8 V VHYS-UVLO Hysteresis on UVLO VRECT: 3 V → 2 V 250 mV VOVP Input overvoltage threshold VRECT: 5 V → 16 V 14.5 15 15.5 V VHYS-OVP Hysteresis on OVP VRECT: 16 V → 5 V 150 mV VRECT-REG (1) VRECT regulation voltage 5.11 V ILOAD ILOAD Hysteresis for dynamic VRECT thresholds as a % of IILIM ILOAD falling 5% VTRACK Tracking VRECT regulation above VBAT VBAT = 3.5 V, IBAT ≥ 500 mA 300 mV VRECT-REV Rectifier reverse voltage protection at the BAT(output) VRECT-REV = VBAT – VRECT, VBAT = 10 V 8.3 9 V VRECT-DPM Rectifier undervoltage protection, restricts IBAT at VRECT-DPM 3 3.1 3.2 V QUIESCENT CURRENT IRECT Active chip quiescent current consumption from RECT (when wireless power is present) IBAT = 0 mA, 0°C ≤ TJ ≤ 85°C 8 10 mA IBAT = 300 mA, 0°C ≤ TJ ≤ 85°C 2 3 mA IQ Quiescent current at the BAT when wireless power is disabled (Standby) VBAT = 4.2 V, 0°C ≤ TJ ≤ 85°C 12 20 µA ILIM SHORT PROTECTION RILIM-SHORT Highest value of ILIM resistor considered a fault (short). Monitored for IBAT > ILIM_SHORT, OK RILIM: 200 Ω → 50 Ω. IBAT latches off, cycle power to reset bq51050B, bq51051B 120 Ω bq51052B 235 tDGL-Short Deglitch time transition from ILIM short to IBAT disable 1 ms ILIM_SHORT, OK ILIM-SHORT,OK enables the IILIM short comparator when IBAT is greater than this value IBAT: 0 mA → 200 mA bq51050B, bq51051B 110 145 165 mA bq51052B 55 75 95 ILIM-SHORT, OK HYSTERESIS Hysteresis for ILIM-SHORT,OK comparator IBAT: 200 mA → 0 mA 30 mA IBAT-CL Maximum output current limit Maximum IBAT that will be delivered for up to 1 ms when ILIM is shorted to PGND 2.4 A BATTERY SHORT PROTECTION VBAT(SC) BAT pin short-circuit detection/precharge threshold VBAT: 3 V → 0.5 V, no deglitch 0.75 0.8 0.85 V VBAT(SC)-HYS VBAT(SC) hysteresis VBAT: 0.5 V → 3 V 100 mV IBAT(SC) Source current to BAT pin during short-circuit detection VBAT = 0 V bq51050B, bq51051B 12 18 22 mA bq51052B 12 18 25 VOLTAGE REGULATION PHASE IEndTrack IBAT threshold during Voltge Regulation Phase that changes VRECT level from VBAT+VTRACK to VRECT-REG IBAT decreasing bq51050B, bq51051B 0.35 * IBULK mA bq51052B 0.05 * IBULK |
Similar Part No. - BQ51050B_16 |
|
Similar Description - BQ51050B_16 |
|
|
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 |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
