ISL97694AIRTZ-TK Просмотр технического описания (PDF) - Renesas Electronics

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ISL97694AIRTZ-TK

Single or Multiple Cell Li-ion Battery Powered 4-Channel and 6-Channel LED Drivers

Renesas Electronics 

ISL97692, ISL97693, ISL97694A

Block Diagrams

VIN: 2.4V TO 5.5V

OPTIONAL FUSE

VIN

10µH

LX

EN

FSW

REG

OSC &

RAMP

COMP

INTERNAL BIAS

O/P SHORT

OVP

IMAX ILIMIT

PWM/

PFM

LOGIC

FET

DRIVERS

OVP

PGND

COMP

ISET

GM

AMP

8-BIT

DAC

DYNAMIC

HEADROOM

CONTROL

HIGHEST

VF

STRING

DETECT

OPEN CKT, SHORT CKT

DETECTION

CH1

CH2

CH3

+

-

REF

GEN

+

1

-

2

CH4

3

REF_OVP REF_VSC

+

4

-

PWMI

FPWM

ENPS

8-BIT

DIGITIZER

DIRECT

PWM

DETECT

PHASE

SHIFT & PWM

DIMMING

CONTROLLER

ISL97692

TEMP

SENSOR

24V, 4x40mA

FIGURE 6. ISL97692 BLOCK DIAGRAM

FN7839 Rev.6.00

Sep 8, 2017

Page 5 of 32

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