参数资料
型号: LTC1960CUHF#TRPBF
厂商: Linear Technology
文件页数: 13/28页
文件大小: 0K
描述: IC BATT CHRGR/SELECTR DL 38-QFN
标准包装: 2,500
功能: 充电管理
电源电压: 6 V ~ 28 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 38-WFQFN 裸露焊盘
供应商设备封装: 38-QFN(5x7)
包装: 带卷 (TR)
LTC1960
OPERATION
1-Byte SPI Write Format:
bit 7........byte 1..........bit 0
MOSI
MISO
Charger Write Address:
Charger Write Data:
PowerPath Write Address:
PowerPath Write Data:
D0 D1 D2 X A0 A1 A2 0
X D0 D1 D2 X A0 A1 A2
A[2:0] = b111
D2 = X
D1 = CHARGE_BAT2
D0 = CHARGE_BAT1
A[2:0] = b110
D2 = POWER_BY_DC
D1 = POWER_BY_BAT2
D0 = POWER_BY_BAT1
2-Byte SPI Write Format:
bit 7........byte 1..........bit 0
bit 7..........byte 2............bit 0
MOSI
MISO
D0 D1 D2 D3 D4 D5 D6 1
X D0 D1 D2 D3 D4 D5 D6
D7 D8 D9 D10 A0 A1 A2 0
1 D7 D8 D9 D10 A0 A1 A2
IDAC Write Address:
IDAC Data Bits D9-D0:
IDAC Data Bit D10 :
VDAC Write Address:
VDAC Data Bits D10-D0:
A[2:0] = b000
IDAC value data (MSB-LSB)
Normal mode = 0, low current mode = 1 (Dual battery charging is disabled)
A[2:0] = b001
VDAC value (MSB-LSB)
Subsequent SPI communication is inhibited until after the addressed DAC is finished loading. It is recommended that
the master transmit all zeros until MISO goes low. This handshaking procedure is illustrated in Figure 1.
SSB
BYTE 1
BYTE 2
SCK
MOSI
MISO
1960 F01
Figure 1. SPI Write to VDAC of Data = b101_0101_0101
1960fb
13
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