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NPM1100-CAAA-R データシート(PDF) 24 Page - Nordic Semiconductor

部品番号 NPM1100-CAAA-R
部品情報  nPM1100
PDF  58 Pages
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メーカー  NORDIC [Nordic Semiconductor]
ホームページ  https://www.nordicsemi.com/
Logo NORDIC - Nordic Semiconductor

NPM1100-CAAA-R データシート(HTML) 24 Page - Nordic Semiconductor

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Core components
VDROPOUT_CHARGER. If more current is required, CHARGER enters Supplement mode, switching to provide
current from the battery, up to IBATLIM.
If a charge cycle ends and ILOAD exceeds ILIM, CHARGER connects the battery and enters Supplement mode
to maintain VINT.
When
VBUS and the battery are connected, the maximum supported load is ILIM + IBATLIM.
When
VBUS is disconnected, CHARGER sources current for VINT from the battery. In Supplement mode, or
when
VBUS is disconnected, VINT voltage is the same as the battery voltage.
VBUS
connected
Battery
connected
Load
CHARGER
VINT supply VINT voltage
Yes
Yes
(ILOAD + ICHGLIM) < ILIM
Charging
VBUS
V(
VBUS)
Yes
Yes
(ILOAD + ICHGLIM) > ILIM
ILOAD < ILIM
Charging
(ICHG reduced)
VBUS
V(
VBAT) +
VDROPOUTCHARGER
Yes
Yes
ILOAD > ILIM
Supplement
mode
VBUS and
VBAT
V(
VBAT)1
Yes
No
ILOAD < ILIM
N/A
VBUS
V(
VBUS)
No
Yes
ILOAD ≤ IBATLIM
N/A
VBAT
V(
VBAT)1
Table 14: Battery supply
1CHARGER has a resistance of RONCHARGER between
VBAT and VINT. The voltage drop from VBAT to VINT
is IBAT x RONCHARGER, where IBAT is the current being drawn from the battery.
6.2.11 Electrical parameters
Symbol
Description
Min.
Typ.
Max.
Unit
ICHGACC
Fast Charge current accuracy, 0.1% accuracy
external resistor
±10
%
VTERM0
Termination voltage,
VTERMSET = LOW
-
4.1
-
V
VTERM1
Termination voltage,
VTERMSET = HIGH
-
4.2
-
V
VTERMACC0
Termination voltage accuracy, Tambient = 25°C
Termination voltage accuracy
-0.5
-1
-
-
0.5
+1
%
%
VTHIGH_DELTA
VTERM voltage reduction at high temperature
100
mV
ITERM
Termination current
8
10
12
% of
ICHG
ITRICKLE
Trickle charge current
10
% of
ICHG
IREDUCED
Fast charge current when device junction
temperature is above THIGH or battery
temperature is below TNTCCOOL
-
50
-
% of
ICHG
4445_367 v1.0
24



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