TDA21102
TDA21102 Datasheet
TDA21102
| Part | Datasheet |
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TDA21102 |
TDA21102 (pdf) |
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| CoreControlTM Data Sheet High speed Driver with bootstrapping for dual Power MOSFETs TDA21102 P-DSO-14-3 Features • Fast rise and fall times for frequencies up to 2 MHz • Capable of sinking more than 4 A peak current for lowest switching losses • Charges the High Side and Low Side gate to V according to PVCC setting. • Adjustable High Side and Low Side MOSFET gate drive voltage via PVCC pin for optimizing ON losses and gate drive losses • Integrates the bootstrap diode for reducing the part count • Prevents from cross-conducting by adaptive gate drive control • High voltage rating on Phase node • Supports shut-down mode for very low quiescent current through three-state input • Compatible to standard PWM controller ICs Intersil, Analog Devices • Floating High Side MOSFET drive • Ideal for multi-phase Desktop CPU supplies on motherboards and Type Package Marking TDA21102 P-DSO-14-3 21102 Ordering Code Q67042-S4244 Pinout & Description PWM1 PWM2 GND GATELS1 PVCC PGND GATELS2 Top View VCC PHASE1 GATGATEHS1 BOOT1 BOOT2 GATEHS2 PHASE2 Number 1 2 3 4 Name PWM1 PWM2 GND GATELS1 PVCC PGND GATELS2 PHASE2 GATEHS2 BOOT2 BOOT1 GATEHS1 PHASE1 Input for the PWM1 controller signal Input for the PWM2 controller signal Ground Gate drive output for the N-Channel Low Side MOSFET Input to adjust the High Side gate drive Power ground return for the Low Side Drivers Gate drive output for the N-Channel Low Side MOSFET To be connected to the junction of the High Side and the Low Side MOSFET 2 Gate drive output for the N-Channel High Side MOSFET Floating bootstrap pin. To be connected to the external bootstrap capacitor to generate the gate drive voltage for the High Side N-Channel MOSFET Floating bootstrap pin. To be connected to the external bootstrap capacitor to generate the gate drive voltage for the High Side N-Channel MOSFET Gate drive output for the N-Channel High Side MOSFET To be connected to the junction of the High Side and the Low Side MOSFET 1 Supply Voltage Aug 31, 2004 CoreControlTM Data Sheet TDA21102 The dual high speed driver is designed to drive a wide range of N-Channel low side and N-Channel high side MOSFETs with varying gate charges. It has a small propagation delay from input to output, short rise and fall times and the same pin configuration as the HIP6602B. In addition it provides several protection features as well as a shut down mode for efficiency reasons. The high breakdown voltage makes it suitable for mobile applications. Target application The dual high speed driver is designed to work well in half-bridge type circuits where dual N-Channel MOSFETs are utilized. A circuit designer can fully take advantage of the capabilities in highefficiency, high-density synchronous DC/DC converters that operate at high switching frequencies, e.g. in multi-phase converters for CPU supplies on motherboards and but also in motor drive and class-D amplifier type applications. Block Diagram PVCC BOOT HS Driver GATEHS PWM Control Logic Shoot Through Protection LS Driver PHASE GATELS Bias PWM Control Logic Shoot Through Protection PVCC BOOT HS Driver GATEHS PHASE LS Driver GATELS GND |
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