CSR8635 查看數據表（PDF） - CSR plc
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CSR8635 Datasheet PDF : 105 Pages
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Trickle Charge Mode
Charge current Itrickle, as percentage of fast charge current
Vfast rising threshold
Vfast rising threshold trim step size
Vfast falling threshold
Min
Typ
Max
Unit
8
10
12
%
-
2.9
-
V
-
0.1
-
V
-
2.8
-
V
Fast Charge Mode
Min
Typ
Max
Unit
13 Maximum charge setting
, 20 Charge current during constant current (VCHG-VBAT > 0.55V)
194
ber 27 mode, Ifast
Minimum charge setting
(VCHG-VBAT > 0.55V)
-
ptem Reduced headroom charge current, as
Se a percentage of Ifast
(VCHG-VBAT < 0.55V)
50
iday, Charge current step size
-
n - Fr Vfloat threshold, calibrated
4.16
om.c Charge termination current Iterm, as percentage of Ifast
7
200
10
-
10
4.20
10
206
-
100
-
4.24
20
lpoint.c Standby Mode
- exce Voltage hysteresis on VBAT, Vhyst
Min
Typ
Max
100
-
150
n.zhou Error Charge Mode
keve Headroom(a) error falling threshold
ingbo (a) Headroom = VCHG - VBAT
d for q External Charge Mode(a)
Prepare Fast charge current, Ifast
Min
Typ
Max
-
50
-
Min
Typ
Max
200
-
500
mA
mA
%
mA
V
%
Unit
mV
Unit
mV
Unit
mA
Control current into CHG_EXT
0
-
20
mA
Voltage on CHG_EXT
0
-
5.75 / 6.50(b)
V
External pass device hfe
-
50
-
-
Sense voltage, between VBAT_SENSE and VBAT at maximum
current
195
200
205
mV
(a) In the external mode, the battery charger meets all the previous charger electrical characteristics and the additional or superseded electrical
characteristics are listed in this table.
(b) Standard maximum input voltage is 5.75V, a 6.50V maximum requires a correct patch bundle, for more information contact CSR.
Production Information
© Cambridge Silicon Radio Limited 2013
Confidential Information - This Material is Subject to CSR's Non-disclosure Agreement
Page 76 of 105
CS-303725-DSP5
www.csr.com
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