Data Sheet

Bluetooth AudioModule
ShenzhenTTKTechnologyCO.,LTD
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0755-89484041 FAX
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0755-89484040
8
.16
Tricklechargevoltagethreshold
--
2.9 -- V
Floatvoltage(withcorrecttrimvalueset),VFLOAT(f)
4.10 4.15 4.2 V
Floatvoltagetrimstepsize(f)
--
50 -- mV
Batterychargeterminationcurrent,%offast
chargecurrent
5
10 20 %
(a)CurrentintoVDD_CHGdoesnotincludecurrentdeliveredtobattery(IVDD_CHG-IBAT_P)
(b)BAT_P<tricklechargevoltagethreshold
(c)Chargecurrentcanbesetin16equallyspacedsteps
(d)Tricklechargethreshold<BAT_P<Floatvoltage
(e)Whereheadroom=VDD_CHG-BAT_P
(f)Floatvoltagecanbeadjustedin15steps.Trimsettingisdeterminedinproductiontestandmustbeloadedintothebatterycharger
byfirmwareduringboot-upsequence
Table2: Batterychargercharacteristics
Reset
Min Typ Max Unit
V
TH,res thresholdvoltage
0.65 0.85 1.50 V
RIRES inputresistance
-- 220 -- KΩ
CIRES inputcapacitance
-- 220 -- nF
Table3: Resetterminalcharacteristics
BTM-35