ISL97635IRZ-T Intersil, ISL97635IRZ-T Datasheet - Page 22

• Manufacturer Part Number: ISL97635IRZ-T
• Description: IC LED DRVR WHT/RGB BCKLGT 24QFN
• Manufacturer: Intersil
• Type: Backlight, White LED, RGBr

Specifications of ISL97635IRZ-T

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 8
• Internal Driver: Yes
• Type - Primary: Automotive, Backlight
• Type - Secondary: RGB, White LED
• Frequency: 600kHz, 1.2MHz
• Voltage - Supply: 6 V ~ 24 V
• Voltage - Output: 34.5V
• Mounting Type: Surface Mount
• Package / Case: 24-VQFN
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 35mA
• Internal Switch(s): Yes
• Efficiency: 91%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

RESERVED RESERVED
LED PANEL
Bit 7 (R)
REGISTER 0x02
Bit 7 = 1
REGISTER 0x03
BIT ASSIGNMENT
MFG[3..0]
REV[2..0]
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
BIT
Bit 6 (R)
Bit 6 (R)
MFG3
2_CH_SD
FAULT/STATUS REGISTER
Bit 5 (R)
22
Bit 5 (R)
MFG2
= Manufacturer ID. See “Identification Register
(0x03)” on page 21.
data 0 to 8 in decimal correspond to other vendors
data 9 in decimal represents Intersil ID
data 10 to 14 in decimal are reserved
data 15 in decimal Manufacturer ID is not
implemented
= Silicon rev (Rev 0 through Rev 7 allowed for
silicon spins)
BIT ASSIGNMENT
THRM_SHDN
OV_CURR
2_CH_SD
1_CH_SD
ID REGISTER
BL_STAT
FIGURE 25. DESCRIPTIONS OF FAULT/STATUS REGISTER
FAULT
1_CH_SD
BIT FIELD DEFINITIONS
Bit 4 (R)
Bit 4 (R)
FIGURE 26. DESCRIPTIONS OF ID REGISTER
MFG1
= Two LED output channels are shutdown (1 = shutdown, 0 = OK)
= One LED output channel is shutdown (1 = shutdown, 0 = OK)
= BL Status (1 = BL On, 0 = BL Off)
= Input Overcurrent (1 = Overcurrent condition, 0 = Current OK)
= Thermal Shutdown (1 = Thermal Fault, 0 = Thermal OK)
= Fault occurred (Logic “OR” of all of the fault conditions)
BL_STAT
Bit 3 (R)
Bit 3 (R)
MFG0
ISL97635
OV_CURR
Bit 2 (R)
Bit 2 (R)
REV2
THRM_SHDN
BIT FIELD DEFINITIONS
Bit 1 (R)
Bit 1 (R)
REV1
Bit 0 (R)
FAULT
Bit 0 (R)
REV0
December 22, 2008
FN6434.2