NCP5608 데이터 시트보기 (PDF) - ON Semiconductor

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NCP5608

Multiple LED Charge Pump Driver

ON Semiconductor 

NCP5608

The three bytes, defined to program the chip, must be

sent during the same transaction as depicted in Figure 6 and

Figure 7. Leaving aside the ACK signal, the NCP5608

does not provide any digital feedback. The selected

PWRLED−BK or PWRLED−FL register described above

will be updated according to the content of the third byte

serially sent to the chip. Finally, the selected bank of LED

will be updated on the last I2C clock positive going slope

of the third byte, the DATA being transferred to the

appropriate latchup register as defined by the content of the

second byte.

The DC−DC charge pump is deactivated when both

registers are set to zero as depicted in Table 3.

Figure 6. Typical Transaction I2C Sequence:

I2C Address

Figure 7. Typical Full I2C Data Transfer

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