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TPS65562 Datasheet(PDF) 4 Page - Texas Instruments |
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TPS65562 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 16 page www.ti.com QFNPACKAGE (TOP VIEW) 16 15 14 13 12 11 10 9 5 6 7 8 1 2 3 4 PGND PGND CHG XFULL SW SW VCC F_ON Power PAD TPS65562 SLVS775 – JUNE 2007 TERMINAL FUNCTIONS TERMINAL I/O DESCRIPTION NAME NO. SW 1, 2 O Primary side switch. Connect SW to the switched side of the transformer Power supply input. Connect VCC to an input supply from 2.7 V to 4.0 V. Bypass VCC to GND VCC 3 I with a 1 μF ceramic capacitor as close as possible to the IC. G_IGBT control input. Drives F_ON with the flash discharge signal. A logic high on F_ON drives F_ON 4 I G_IGBT high when CHG is Low. See the IGBT driver control section for details. Primary side Peak current control input. The voltage at I_PEAK sets the peak current into SW. I_PEAK 5 I See the Programming Peak Current section for details on selecting VI_PEAK. G_IGBT 6 O IGBT gate driver output. G_IGBT swings from PGND to VCC to drive external IGBT devices. NC 7, 13, 16 No internal connection Power supply input for IGBT Driver output. Connect IGBT_VCC to an input supply from 2.7 V to IGBT_VCC 8 I 5.5 V. Charge completion indicator output. XFULL is an open-drain output that pulls low once the output XFULL 9 O is fully charged. XFULL is high impedance during charging and all fault conditions. XFULL is reset when CHG turns Low from High. See the Indicating Charging status section for details. Charge control input. Drive CHG high to initiate charging of the output. Drive CHG low to CHG 10 I terminate charging. PGND 11, 12 Power ground. Connect to the ground plane. TEST_GND 14 Used by TI, should be connected to PGND and ground plane. Battery voltage monitor input. Connect VBAT to an input supply from 1.6 V to 12 V. Bypass VBAT to GND with a 10 μF ceramic capacitor (C1 in Figure 1 as close as possible to the battery) and a VBAT 15 I 1 μF ceramic capacitor (C2 in Figure 1, as close as possible to the IC). It is no problem to input VBAT before VCC input. 4 Submit Documentation Feedback |
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