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参数资料
| 型号： | PS200-I/SS |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO20 |
| 封装： | 5.30 MM, PLASTIC, MO-150, SSOP-20 |
| 文件页数： | 35/36页 |
| 文件大小： | 537K |
| 代理商： | PS200-I/SS |
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PS200
DS21891B-page 6
2005 Microchip Technology Inc.
FIGURE 2-1:
PS200 STATE DIAGRAM LI CHARGER
Legend:
T
= battery temperature
I
= charge current
TMIN
= minimum temperature allowed during charging
IMIN
= taper current threshold for
TMAX
= maximum temperature allowed during charging
End-Of-Charge during voltage regulation
TMAXCHG = maximum temperature allowed during voltage regulation
t
= time
V
= battery voltage
tp
= precharge time limit
VMIN
= minimum voltage for entering current regulation
ti
= current regulation time limit
VMAX
= maximum voltage for charge initiation
tv
= voltage current time limit
VREG
= target voltage during charge regulation
BATPRES= battery present variable; if ‘1’, then battery
VRCHG
= voltage threshold at which charging will restart
is present; if ‘0’, then battery is not present
Note:
When the PS200 resets, it enters the Charge Pending state.
(A) Charge Pending
(B) Charge
Qualification
(1) VCC Reset or
BATPRES = 0
(2) Vcc Reset or
BATPRES = 0
(3) VCC Reset or
BATPRES = 0
(5) V> VRCHG
(6) V > VMIN and
TMAX > T > TMIN
(8) V < VMIN and
TMAX > T > TMIN
(7) TMAX < T OR T < TMIN
(9) TMAX > T > TMIN and V < VRCHG
(10) t > tp and V < VMIN or
(C) Charge Suspend
(D) Precharge
(11) V > VMIN and
TMAX > T > TMIN
(E) Current Regulation
(12) V > VMAX or
T > TMAX or
t > ti or
T < TMIN
(14) V > VREG,
T < TMAXCHG
(15) V > VMAX or
T > TMAXCHG or
t > tv
(F) Voltage Regulation
(G) Charge Complete
(16) VCC Reset
BATPRES = 0
(17) I < IMIN and V
≥ VREG
(18) BATPRES = 0 or
V < VRCHG or VCC Reset
(13) VCC Reset or BATPRES = 0
(4) BATPRES = 1
T > TMAX or T < TMIN
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相关代理商/技术参数 |
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| PS-200-MCP | 制造商:SPC Multicomp 功能描述:BRIEF CASE CONDUCTIVE 制造商:SPC Multicomp 功能描述:BRIEF CASE, CONDUCTIVE |
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| PS200R _AY _10001 | 制造商:PanJit Touch Screens 功能描述: |
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