User Manual

Bluetooth Audio Module BTM-68D
Shenzhen TTK Technology CO.,LTD
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6.15
2.0 Electrical Characteristics
Recommended operating conditions
Min Typ Max Unit
Operating temperature -20 20 70
℃
VDD_BAT 3.0 3.8 4.2 V
VDD_CHG 4.5 5 6.5 V
VDD_IO 1.7 1.8 1.95 V
Table 1:Recommended operating conditions
Battery charger
Charger Mode(BAT_P rising to 4.2V) Min Typ Max Unit
Supply current(a)
--
4.5 6 mA
Battery trickle charge current(b)
--
4
--
mA
Headroom(e) > 0.7V
--
140
--
mA
Maximum battery fast charge
current (I-CTRL = 15)(c) (d)
Headroom = 0.3V
--
120
--
mA
Headroom > 0.7V
--
40
--
mA
Minimum battery fast charge
current (I-CTRL = 0)(c) (d)
Headroom = 0.3V
--
35
--
mA