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参数资料
| 型号： | FAN5201MSA |
| 厂商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 6 A BATTERY CHARGE CONTROLLER, 275 kHz SWITCHING FREQ-MAX, PDSO24 |
| 封装： | SSOP-24 |
| 文件页数： | 8/19页 |
| 文件大小： | 142K |
| 代理商： | FAN5201MSA |
FAN5201
16
Pr
eliminar
y
Speci
cation
Non-Supported Communications
The following features are specied in the Intel/Duracell
Smart Charger Specication, but are not directly supported
by the FAN5201.
Thermistor Interface
Interface to the thermistor occurs exclusively through the host.
Typical Battery Communications
Charging current and voltage requests are intercepted by the
host, which transmits them to the charger.
Critical Battery Communications
Overcharge and overtemperature communications are sent to
the host, which transmits commands to the charger.
Bus Errors
Unsupported commands, data unavailable, busy or bad data
are not transmitted to the host. The FAN5201 signals errors
by witholding ACKnowledge (see protocols). It does not
support any reads of error registers.
AlarmWarnings()
Alarm warnings are sent to the host, which transmits com-
mands to the charger.
Chargermode() Settings
The ChargerMode() write command is unsupported. The
command’s effects may be obtained by sending the appropri-
ate commands to the charger.
175 seconds Timeout
Supported by the host, not by the IC. Furthermore, it is rec-
ommended that a watchdog timer be used in conjunction
with the host processor, to assure that the timeout is not
affected by innite software loops.
Table 7. Charger Settings Read
Field
Byte
Byte Count
Always set to 0x08
Charger Current Low Byte
1
Charger Current High Byte
2
Charger Voltage Low Byte
3
Charger Voltage High Byte
4
Charger Power Low Byte
5
Charger Power High Byte
6
Control Signal Low Byte
7
Control Signal High Byte
8
Figure 12. Read and Write Protocols
S
Slave Address
Wr
A
Command Code
A
Data Byte Low
Data Byte High
Data Byte Low
Data Byte High
P
Write Word Protocol
S
Rd
…
A
P
Read Word Protocol
S
Wr
A
S
Rd
A
Byte Count = N
A
Data Byte 1
Data Byte 2
Data Byte N
A
P
Block Read Protocol
Master to Slave
Slave to Master
A
S
= StartCondition
Wr = Write
Rd = Read
A
= Acknowledge
A
= Not Acknowledge
P
= Stop Condition
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