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SS6783ACSTR Scheda tecnica(PDF) 10 Page - Silicon Standard Corp.

Il numero della parte SS6783ACSTR
Spiegazioni elettronici  Battery Charge Controller for Low Power Charging
PDF  12 Pages
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Produttore elettronici  SSC [Silicon Standard Corp.]
Homepage  http://www.siliconstandard.com
Logo SSC - Silicon Standard Corp.

SS6783ACSTR Scheda tecnica(HTML) 10 Page - Silicon Standard Corp.

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SS6783A(G)
1/11/2005 Rev.2.10
TABLE 2
RTMR (kΩ)
OSC.
Freq.(kHz)
Safety timer
(min.)
11
256
10
23
131
20
48
65.8
40
74
43.1
60
100
32.8
80
152
21.6
120
206
16.0
160
314
10.6
250
491
6.89
380
667
5.04
520
Selecting Mode of Operation
The SS6783A provides three modes of operation:
normal, test, and AC mode determined by the
setting of MODE pin. The SS6783A will operate
normally when the MODE pin is left floating (a
0.1
µF capacitor is recommended to be tied to
MODE pin if the charge circuit works in a noisy
environment). When the MODE pin is biased to
GND, the function of -
∆V detection is disabled.
When the MODE pin is biased to VCC, the
SS6
783A enters the test mode. The test mode can
be used to significantly reduce production test time.
TABLE 3
MODE pin
Mode
Function
VCC
Test
Safety timer period
scaled down to 1/32
Floating
Normal Normal operation
GND
AC
-
∆V detection disabled
Display the Battery Charging Status
The SS6783A provides an open-drain output at the
LED pin, to indicate the battery charging status. The
outputs of LED pin are shown in the following table:
Power
ON
Fast
Charging
Charge
Completed
Fault
Conditions
LED
1Hz
4Hz
Flashing
ON
OFF
Charging Current Control
As shown in the typical application circuit, the
SS6
783A offers an open-drain output at the ICON
pin, to control the charging current flow in fast
charge state and switch on to inhibit the charging
current flow in fault conditions. When fast charge is
completed, the SS6783A enters the trickle charge
mode. In trickle charge mode, the ICON pin output
switches with 1/128 duty cycle.
Power
ON
Fast
Charging
Charge
Completed
Fault
Conditions
ICON
ON
OFF
1/128
Duty cycle
ON



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