ADP8861 Analog Devices, ADP8861 Datasheet - Page 25
ADP8861
Manufacturer Part Number
ADP8861
Description
Charge Pump, 7-Channel Smart LED Driver with I2C Interface
Manufacturer
Analog Devices
Datasheet
1.ADP8861.pdf
(40 pages)
Specifications of ADP8861
Vin Range
2.5 to 5.5V
Vout (v)
4.3 to 5.5
Synchronous
No
Package
20-Lead LFCSP,20-Lead WLCSP
Led Configuration
Parallel
Topology
Capacitive
I2c Support
Yes
Max Iout (ma)
60mA
Brightness Control
PWM
Peak Efficiency (%)
89%
Switching Frequency
1.32MHz
Over Volt Protection (v)
5.8V
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ADP8861ACPZ-R7
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Mode Control Register 2 (MDCR2)—Register 0x02
Table 12. MDCR2 Bit Map
Bit 7
Table 13. Bit Descriptions for the MDCR2 Register
Bit Name
N/A
SHORT_INT
TSD_INT
OVP_INT
N/A
1
Interrupt Enable (INTR_EN)—Register 0x03
Table 14. INTR_EN Bit Map
Bit 7
Table 15. Bit Descriptions for the INTR_EN Register
Bit Name
N/A
SHORT_IEN
TSD_IEN
OVP_IEN
N/A
Interrupt bits are cleared by writing a 1 to the flag; writing a 0 or reading the flag has no effect.
Bit 6
Reserved
Bit No.
[7:5]
4
3
2
[1:0]
Bit 6
Reserved
Bit No.
[7:5]
4
3
2
1:0
Description
Reserved.
Short-circuit interrupt is enabled. When the SHORT_INT status bit is set after an error condition, an interrupt is
raised to the host if the SHORT_IEN flag is enabled.
1 = the short-circuit interrupt is enabled.
0 = the short-circuit interrupt is disabled (the SHORT_INT flag continues to assert).
Thermal shutdown interrupt is enabled. When the TSD_INT status bit is set after an error condition, an interrupt is
raised to the host if the TSD_IEN flag is enabled.
1 = the thermal shutdown interrupt is enabled.
0 = the thermal shutdown interrupt is disabled (the TSD_INT flag continues to assert).
Overvoltage interrupt enabled. When the OVP_INT status bit is set after an error condition, an interrupt is raised to
the host if the OVP_IEN flag is enabled.
1 = the overvoltage interrupt is enabled.
0 = the overvoltage interrupt is disabled (the OVP_INT flag continues to assert).
Reserved.
Bit 5
Bit 5
Description
Reserved
Short-circuit error interrupt.
1 = a short-circuit or overload condition on VOUT has been detected.
0 = no short-circuit or overload condition has been detected.
Thermal shutdown interrupt.
1 = the device temperature has exceeded 150°C (typical).
0 = no overtemperature condition has been detected.
Overvoltage interrupt.
1 = VOUT has exceeded V
0 = VOUT has not exceeded V
Reserved.
Bit 4
SHORT_IEN
Bit 4
SHORT_INT
1
OVP
Rev. A | Page 25 of 40
.
Bit 3
TSD_IEN
OVP
.
Bit 3
TSD_INT
Bit 2
OVP_IEN
Bit 2
OVP_INT
Bit 1
Bit 1
Reserved
Reserved
Bit 0
ADP8861
Bit 0