Datasheet
bq51050B
bq51051B
SLUSB42D –JULY 2012–REVISED JANUARY 2014
www.ti.com
REVISION HISTORY
Changes from Original (August 2012) to Revision A Page
• Changed bq51051B from product preview to production data ............................................................................................. 2
• Changed Regulated BAT(output) voltage ............................................................................................................................. 4
• Changed Recharge threshold ............................................................................................................................................... 5
• Deleted I
TS-Bias-Max
.................................................................................................................................................................. 5
• Changed V
COLD
to V
OC
and values ........................................................................................................................................ 5
• Changed V
45C
values ............................................................................................................................................................ 5
• Changed V
60C
values ............................................................................................................................................................ 5
• Changed Figure 22 ............................................................................................................................................................. 20
Changes from Revision A (August 2012) to Revision B Page
• Changed last features bullet from: 1.9 x 3.0mm WCSP and 4.5 x 3.5mm QFN Package Options to: Available in
small WCSP and QFN packages .......................................................................................................................................... 1
• Changed Figure 1 and changed caption from: Wireless Power Consortium (WPC or Qi) Inductive Power Charging
System, to: Typical System blocks shows bq5105xB used as a Wireless Power Li-Ion/Li-Pol Battery Charger ................. 1
• Added note: Visit ti.com/wirelesspower for product details and design resources ............................................................... 1
Changes from Revision B (September 2012) to Revision C Page
• First release of the full data sheet ........................................................................................................................................ 1
Changes from Revision C (February 2013) to Revision D Page
• Changed the ABSOLUTE MAXIMUM RATINGS - moved AC1 and AC2 onto a single row with a Min value of –0.8 ........ 2
• Added section: Details of a Qi Wireless Power System and bq5105xB Power Transfer Flow Diagrams .......................... 14
• Changed text in the Battery Charge Profile section ........................................................................................................... 18
• Changed Battery failure Conditions in Table 1 ................................................................................................................... 20
• Changed Equation 3 and Equation 4 .................................................................................................................................. 22
• Changed R
2
= 7.81 kΩ To: R
1
= 29.402 kΩ ....................................................................................................................... 23
• Changed R
3
= 13.98 kΩ To: R
3
= 14.302 kΩ ..................................................................................................................... 23
• Changed T
HOT
= 0°C To: T
HOT
= 60°C ................................................................................................................................ 23
• Changed Equation 5 ........................................................................................................................................................... 25
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