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SS6781ACSTR 데이터시트(PDF) 8 Page - Silicon Standard Corp.

부품명 SS6781ACSTR
상세설명  Battery Charger Controller
PDF  18 Pages
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제조업체  SSC [Silicon Standard Corp.]
홈페이지  http://www.siliconstandard.com
Logo SSC - Silicon Standard Corp.

SS6781ACSTR 데이터시트(HTML) 8 Page - Silicon Standard Corp.

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SS6781A(G)
1/11/2005 Rev.2.10
PIN DESCRIPTIONS
PIN 1: PEAK- Tri-level input, determining the
period of peak voltage timer.
(See 0
∆V cut-off section in
Application Information.)
PIN 2: VBT-
Divided battery voltage input to
sense the battery voltage.
PIN 3: DIS-
Push-pull
output,
used
to
control an external transistor to
discharge the battery. DIS is
active-high when the SS6781A
enters discharge mode.
PIN 4: VTS-
The battery cell temperature is
represented as a voltage input
to the SS6781A at this pin.
The acceptable voltage range of
VTS pin is 0.29VCC to 0.72Vcc
The battery temperature is
regarded as too high if the
voltage of VTS pin is lower than
0.29VCC, and is otherwise
regarded as too low if the
voltage of the VTS pin is
higher than 0.72VCC.
PIN 5: VCC-
Power supply input at 5V
±10%.
PIN 6: ADJ-
For adjusting the slope of
∆T/∆t.
Acceptable voltage range for
this pin is approximately 0.28V
to 3.8V.
If higher than VCC-0.3V, then
∆T/∆t detection is disabled.
PIN 7: SEL3-
Determines the acceptable
voltage range of VBT pin and
mode of temperature protection
function.
PIN 8: TMR-
Determines the period of safety
timer with an external resistor
connected to GND.
PIN 9: MODE- Determines the mode of
operation for the SS6781A.
PIN 10: SEL2 - Tri-level
inputs,
that
jointly
control the LED display mode
and the duty of trickle charge
after the completion of fast
charge.
PIN 11: SEL1- The same as Pin 10.
PIN 12: GND-
Power ground.
PIN 13: LED1 &
PIN 14: LED2- Open-drain outputs used to
indicate the battery charging
status. Two modes of display
are available, depending on
the setting of SEL1 and SEL2
pins.
PIN 15: ICON- Open-drain output, used to
control the charging current to
the battery.
PIN 16: DSW- Controlling
the
function
of
discharge-before-charge.
(See discharge-before-charge
subsection in Application
Information).



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