HA16163T
HA16163T is Synchronous Phase Shift Full-Bridge Control IC manufactured by Renesas.
Features
- High frequency operation; oscillator frequency = 2 MHz max.
- Full-bridge phase-shift switching circuit with adjustable delay times
- Integrated secondary synchronous rectification control with adjustable delay times
- Three-level over current protection; pulse by pulse, timer Latch, one shot OCP ..
- Package: TSSOP-20
Application
- 48 V input isolated DC/DC converter
- Primary; Full-bridge circuit topology
- Secondary; current doubler or center-tapped rectification
Illustrative Circuit
+48V +
- FET Driver
Vbias FET Driver FET Driver FET Driver FET Driver FET Driver
OUT -A
OUT -B
RAMP
OUT -C
OUT -D
OUT -E
OUT -F Optical feedback circuitry P
VREF
FB DELAY DELAY DELAY -1 -2 -3
SYNC
REMOTE
REJ03F0001-0600 Rev.6.00 Jul 01, 2008 Page 1 of 29
Pin Arrangement
SYNC RAMP CS P REMOTE FB SS DELAY-1 DELAY-2
..
1 2 3 4 5 6 7 8 9 10 (Top view)
20 19 18 17 16 15 14 13 12 11
RT GND OUT-A OUT-B OUT-C OUT-D OUT-E OUT-F VCC VREF
DELAY-3
Pin Functions
Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Pin Name SYNC RAMP CS P REMOTE FB SS DELAY-1 DELAY-2 DELAY-3 VREF VCC OUT-F OUT-E OUT-D OUT-C OUT-B OUT-A GND RT Pin Function Synchronization I/O for the oscillator Current sense signal input for the full-bridge control loop Current sense signal input for OCP Error amplifier output Remote on/off control Voltage feedback input Timing capacitor for both soft start and timer latch Delay time adjustor for the full-bridge control signal (OUT-A and B) Delay time adjustor for the full-bridge control signal (OUT-C and D) Delay time adjustor for the secondary control signal (OUT-E and F) 5 V/20 m A Output IC power supply input Secondary control signal Secondary control signal Full-bridge control signal Full-bridge control signal Full-bridge control signal Full-bridge control signal Ground level for the IC Timing resistor for the...
