BTM98-8AAM Ver la hoja de datos (PDF) - Unspecified

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BTM98-8AAM

Bluetooth Audio Module

Unspecified 

Bluetooth Audio Module

Trickle charge voltage threshold

Float voltage (with correct trim value set), VFLOAT (f)

Float voltage trim step size(f)

Battery charge termination current, % of fast

charge current

--

4.10

--

5

2.9

4.15

50

10

BTM98-8AAm

--

V

4.2

V

--

mV

20

%

(a) Current into VDD_CHG does not include current delivered to battery (IVDD_CHG - IBAT_P)

(b) BAT_P < trickle charge voltage threshold

(c) Charge current can be set in 16 equally spaced steps

(d) Trickle charge threshold < BAT_P < Float voltage

(e) Where headroom = VDD_CHG - BAT_P

(f) Float voltage can be adjusted in 15 steps. Trim setting is determined in production test and must be loaded into the battery charger by

firmware during boot-up sequence

Table 2: Battery charger characteristics

Reset

VTH,res threshold voltage

RIRES input resistance

CIRES input capacitance

Min

Typ

Max

Unit

0.65

0.85 1.50

V

--

220

--

KΩ

--

220

--

nF

Table 3: Reset terminal characteristics

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