CS902-A-R IC Schematic Circuit Diagram

The CS902-A-R IC is used in the DC-TO-DC converter circuit in the TCL LCD panel's power management circuit. Inside the CS902 IC, N-channel and P-channel MOSFETs for boost and buck converter circuits are integrated.

Circuit Diagram of CS902 IC 

In the circuit diagram of CS902 IC, the VIN terminal is the

voltage input terminal, where 12 volts is usually input as the operating voltage.

The CS902-A-R IC is a programmable TFT LCD power management IC (PMIC). In the circuit diagram, the SCL and SDA signals connect to pins 5 and 6 of this IC, which are coming from the processor. Data and clock pulses can control the output voltage of the CS902 IC circuit.

The MT3151A05-5XC-5 T-Con circuit board uses CS902-A-R or CS902 IC as a DC-to-DC converter or LCD power management IC (PMIC). CS902 IC is also installed on the MT3151A05-9-XC-2 T-Con circuit board.

CS902-A-R IC Circuit Diagram is published below.

As per the size and voltage requirements of TFT (Thin Film Transistor) LCD TVs and monitors, the CS902 IC schematic circuit diagram design may vary slightly, keeping the basics right.

CS902 DC-to-DC IC Schematic Circuit Diagram

Capacitors Value of CS902-A-R IC Circuit

SL	Value	SL	Value
C1	10µF	C2	0.22µF
C3	0.47µF	C4	10µF
C5	10µF	C6	10µF
C7	10µF	C8	1µF
C9	470pF	C10	10µF
C11	1µF	C12	0.22µF
C13	10µF	C14	10µF
C15	10µF	C16	22µF
C17	10µF	C18	0.1µF
C19	10µF

Resistors Value of CS902 PMIC Circuit

SL	Value	SL	Value
R1	10KΩ	R2	2.2Ω
R3	22KΩ	R4	...
R5	75KΩ	R6	51KΩ
R7	10KΩ	R8	2.2Ω
R9	4.7KΩ	R10	4.7KΩ
R11	1KΩ

Values of inductors and Fuse:
F1 - 6 Amp, L1 - 100.8µH, L2 - 6.8µH.
Values of Transistors in CS902 IC Circuit Diagram:
Q1 - NPN Transistor,  Q2 - S2A (PNP Transistor)
Diodes Values in CS902 Diagram:
SMD Diode - It will be updated

CS902-A-R IC Equavalent Here

Output & Input Voltages details of CS902 IC Circuit

• VIN—Depending on the circuit design, the operating voltage of the CS902 IC ranges from 8 volts to a maximum of 14 volts.
• Logic Voltage - 3.3 Volts
• VGH - 20 volts to 40 volts output as VGH from positive         charge pump regulator (programmable)
• VGL - Can output -4.5 volts to -13 volts as VGL from a negative charge pump regulator (programmable).
• AVDD—The output from the sync-boost regulator of the CS902 IC circuit ranges from 13.5 volts to 19.8 (by programming).

P301-16 IC Schematic Circuit Diagram Here